Public Works Department - Maharashtra
40847626 rate quotation construction of modular scientific digital library at nandurbar tal. dist. nandurbar (furniture) , wind generator experiment: providing and fixing of the working model of wind generator based on laminated plusheet. a very high inertia electric motor with plastic impeller fitted on a sheet metal stand. connection is made via. 4mm socket fitted just below the impeller. a output voltage can be monitored with led or multimeter when impeller is driven by a blower or high speed wind. dimensions:3.5 x 3 x2 ft , petrol engine: providing and fixing of the working model on the base of plywood box laminated ot the size of 1.6 ftx1 ft. represents a typical air cooled, side valve, four stroke petrol engine with the operation of the valves clearly evident. cam operated inlet and exhaust valves being driven by a gear train from rear of the main crank. as with the two stroke model, spark plug simulated through a small lamp to indicate the firing point. a pair of 4mm socket terminal for electrical supply. cross section of carburetor is shown. mounted on a stable base, with printed diagram and key.cylinder petrol engine table top model dimensions (lxwxh) in mm : 210x200x390 weight : 2.68 kg , inclined plane: providing and fixing of the working model on the base of plywood box laminated ot the size of 1.6 ftx1 ft. a model of four stroke water cooled diesel engine. clearly demonstrates the functioning of all critical components such as fuel injection system, camshaft, rocker arms, tappets etc. cam operated inlet and exhaust valves being driven by a gear train from rear of the main crank. ignition simulated by means of a miniature bulb. mounted on a stable base, with printed diagram and key.sectional working model of four stroke single cylinder diesel engine table top model dimensions (lxwxh) in mm : 219x202x423 weight : 2.87 kg , loop the loop: providing and fixing of the working model on the base of plywood box laminated ot the size of 1.6 ftx1 ft an inclined track with a single loop to demonstrate the transformation of potential energy to kinetic energy and vice versa and to explore the condition necessary for the included metal sphere to stick to the track at its highest point in the loop. comprises a looped aluminium track about 125cm long, having v shaped cross section with a stopper at the end to prevent metal sphere from falling. complete assembly mounted on stable base.dimensions (lxwxh) in mm : 565x203x350 , maxwell wheel: providing and fixing of the working model on the base of plywood box laminated ot the size of 2 ftx1 ft .to demonstrate the conservation of mechanical energy . on rotating the wheel by hand to the top and releasing, its potential energy will turn into kinetic energy as it falls. when the wheel reaches at bottom position, the kinetic energy will change back to potential energy when it moves up again. the wheel will stop when the total energy is lost due to friction.dimensions (lxwxh) in mm : 460x130x560 , newtonian demonstrator : providing and fixing of the working model on the base of plywood box laminated ot the size of 2.5 x 2 feet.dramatically illustrates newtons third law of motion and works well on an overhead projector. its graphical demonstration of elastic collisions qualitatively, is far superior to any other device on account of its size and total absence of friction. the unit is completely assembled and consists of a frame with six plated steel balls of 19mm diameter, suspended on the frame through lightweight cord. by pulling and releasing the different number of balls, collision results among the balls can be observed to draw many interpretations.dimensions (lxwxh) in mm : 165x125x175 , bed of nails: providing and fixing of the working model on the base of plywood box laminated ot the size of 2x2 ft this working model should demonstrate how an inflated balloon doesn’t burst even when it is pressed against a bed of nails. the concept of force and pressure should be explained using this working model. , human torso : providing and fixing of the working model on the base of plywood box laminated ot the size of 2x2 ft. natural size, durable plastic, 85cm high, . the torso is suitable for demonstrating all the major anatomicalparts of human body. it separates into 23 parts. imported glass fibre materials. , human brain section: providing and fixing of the working model on the base of plywood box laminated ot the size of 2x2 ft.an enlarged and very detailed section through the right half of thebrain, including a portion of the skull. the pi mater has been removed.this model is double sided and finely coloured. one surface is on themedian line, including a section of the falx cerebri. a sagittal cut on thereverse exposes the lateral ventricle with 49 references on the modelwith numbered key card.cut in 8 parts imported model.size 18.5x 14x13.5 cm , functional human eye: providing and fixing of the working model on the base of plywood box laminated ot the size of 2x2 ft.. a unique apparatus allows you to recreate the conditions of visualdeficiencies in the human eye. the clear silicone elastic lens chamberof the model is filled with water. when water is added or subtractedwith the included syringe, the curvature of the lens is changed, whichalters the focus of images projected on the retina. the shape of theeyeball is adjustable as well. once the deficiencies have beenobserved, the included corrective lenses can be added to show howvision defects can be modified. the five piece model is mounted on abase with the projection object on a separate stand. the set comeswith two lenses, lens holder, projection object, model, and instructionmanual with numbered key card.dimension in mm(lxwxh) : 370x120x183,weight : 480gm , human ear model: providing and fixing of the working model on the base of plywood box laminated ot the size of 2x2 ft..showing approximately 4 times enlarged. the petros portion of the temporal bone section of the auditory canal is removed. the tympanic membrane with malleus and incus are also removable, dissectible into3 parts, mounted on base. representation of outer, middle and inner ear, removable eardrum with hammer, anvil and stirrup, additionally with two removable bone section to close the middle and inner ear with numbered key card.model is highly magnified about 6 times larger seperable in 7parts , mounted on removable stand . 34 features marked. size 15x15x32 cm , human dental hygiene model: providing and fixing of the working model on the base of plywood box laminated ot the size of 2x2 ft. this 3x life size model shows the upper and lower dentition of an adulthuman. a valuable aid fro teaching proper oral hygiene procedures , human heart jumbo : providing and fixing of the working model on the base of plywood box laminated ot the size of 2x2 ft.this model shows the anatomy of the human heart and is horizontallysectioned at the level of the valve plane.jumbo model of size 25x23x23 cm , digestive system : providing and fixing of the working model on the base of plywood box laminated ot the size of 2x2 ft..this model shows the anatomy of digestive system. fixed on high quality wooden frame. , functional lungs model : providing and fixing of the working model on the base of plywood box laminated ot the size of 2x2 ft.the lungs are transparent, made of plastic. a unique model for classroom demonstration with numbered key card. 189 x 233 mm :(diameter x height) , human skeleton model : providing and fixing of the working model on the base of plywood box laminated ot the size of 2x2 ft.made of fiber glass, a life size casted model of human skeleton duly articulated. glass covered in box of life size. , dna : providing and fixing of the working model on the base of plywood box laminated ot the size of 2x2 ft.. a self assembly model kit of a 22 layer abstract double helix model of deoxyribonucleic acid (dna). the complete kit comprises • 22 nitrogenous base pairs comprising 11 thymine (orange) 11 adenine (blue) 11 guanine (green) 11 cytosine (yellow) • 2 polynucleotide side chains: 44 deoxyribose (red) 44 phosphate (purple) • stand 1 light brown base, support rod. 22 spacers & 1 white cap. supplied complete with instruction leaflet.dimension in mm(lxwxh) : 230x150x57 , human urinary system : providing and fixing of the working model on the base of plywood box laminated ot the size of 2x2 ft..dissectible into 3 parts, showing urinary bladder, kidneys with ureter, adrenal glands, bladder with prostate and major blood vessels are shown. right kidney sectioned and bladder prostate are removable. mounted on base with numbered key card. , human skin section : providing and fixing of the working model on the base of plywood box laminated ot the size of 2x2 ft.a full size model, showing section through 3 layers of the skin, showing hair follicles with sebaceous, sweat glands, receptors, nerves and vessels, 70 times enlarged, but mounted in upright position, a very detailed model with numbered key card. , skeleton cycling : providing and fixing the to cycle fixed on one metal structure, one cycle is set a skeleton and another one is free for peddling. with the arrangement2 motors on back wheel touch. when we peddling one cycle its generate lenz effect and transfer it on second connected motor. this motor also rotates due to lenz effect and start rotation. we can see skeleton is cycling.2 bicycles, 2 as motors, iron structure. size 48x48x 36 inches , tidal energy generation : in this project show how can we generate electricity from waves of sea.wave electricity dimensions: 33 x 20 x 18 , electromagnetic brake : providing and fixing of the working model on the base of plywood box laminated ot the size of 2x2 ft.electromagnetic break working on high power solenoid pressure. this machanism used in high range car and other vehicles. material: 20 x 24 inch play wood mount. cycle wheel. ac motor. power supply, copper coil and metal rod with other require parts , 3 in 1 solar conversion: providing and fixing of the working model on the base of plywood box laminated ot the size of 2x2 ft..solar conversion to electricty and multiple uses. 12x12x10 inches. wooden base , i am the astronaut...!!!: providing and fixing the model on the base size: 24” x 28” x 1.5” base ply thickness: 10mm astronaut height: 64” width: 35” depth: 10~12” helmet opening hole: 10” diameter total weight: 20~21 kg material: general purpose resin 3d mould with thickness 3~5 mm inner layer with black velvet cloth 1 inch square pipe ms steel material 18 inch = 2 nos. nitrocellulose matt paint white, red, gray & blue colour instruction on 3mm vinyl sunboard size: 9x4.25 inch , elements in the universe !!!: providing and fixing the box size: 18.5” x 24.5” x 3” ply thickness: 12mm sunmica thickness: 1 mm acrylic 3mm 18”x18” preprogrammed microcontroller, power supply 5v 5amp = 1nos pixel led = 20 nos lcd screen size = 1nos push button = 20 nos laser cut metal sheet 1mm thick 18”x24” with powder coating 4 colour vinyl print 18”x24” instruction on 3mm vinyl sunboard size: 9x4.25 inch , telescope ray diagram: providing and fixing the telescope working demonstartion of model size 16” x 32” x 5” box ply thickness: 12 mm sunmica thickness: 1 mm 3mm acrylic 16”x32” vinyl print size 15”x30” pasted on 5mm mdf 15”x30” pixel led power supply: 12v 2amp instruction on 3mm vinyl sunboard size: 9x4.25 inch , light & optics experiment kit: providng and fixing of the working model of box size : 21”x11”x10” box ply thickness: 12 mm sunmica thickness: 1 mm dimensions of light box 170 x 90 x 55mm robust light box finished in matt black with a 12v 36w s.b.c. axial filament lamp with 0.75m of twin flex. perspex blocks(prism): 1 rectangular, 1 semi circular, 1 triangular prism 60° x 60° x 60° , 1triangular prism 90° x 60° x 30°, 1 triangular prism 90° x 45° x 45°. cylindrical perspex lenses: 1 double concave, 1 double convex(both with the same radius curvature) 1 thick double convex. mirror : 1 plane glass(mounted on stand). black plastic slit plates : 1 with three narrow slits & one narrow slit, 1 with four narrow slits and one wide slit. set of eight colour filters: primary red, primary green, primary blue, cyan, violet, yellow, orange, magenta. set of eight coloured cards: red, green, blue, violet, orange, cyan, yellow, pink. , interior of the sun: providing and fixing of the working model size 15” x 15” x 22” box ply thickness: 12 mm sunmica thickness: 1 mm sun diameter: 32 cm solar flare projection outside of sun sphere model shows interior structure of sun premoulded model in frp / plastic material waterproof surface instruction on 3mm vinyl sunboard size: 9x4.25 inch , illuminated earth: providing and fixing of working model size 12” x 12” x 22” box ply thickness: 12 mm sunmica thickness: 1 mm earth diameter: 20 cm physical relief with light off and physical cum political with light on, with unbrakable die casted steel base and arc. power supply 220v waterproof surface instruction on 3mm vinyl sunboard size: 9x4.25 inch , longitudinal & latitudinal model: providing and fixxing of the working model size 15” x 15” x 22” box ply thickness: 12 mm sunmica thickness: 1 mm sphere diameter: 32 cm show the direction of earth rotation, the earth axis, the 2 poles, polar circles, tropic of capricorn and cancer moulded plastic high quality material waterproof surface instruction on 3mm vinyl sunboard size: 9x4.25 inch , 3d glowing moon: providing and fixing of the working model size 10” x 10” x 17” box ply thickness: 12 mm sunmica thickness: 1 mm 3d printed moon diameter 15~18 cm in accordance with the astronomical data, every mountain and crater on the lunar surface are reproduced. remote control + long press + tap control: the smart remote control has various functions such as adjustments of the brightness, colour, flicker mode. usb rechargeable moon light instruction on 3mm vinyl sunboard size: 9x4.25 inch , geostationary satellite motorized model: providing and fixing of model size 20”x20”x15” box ply thickness: 12 mm sunmica thickness: 1 mm 3mm acrylic 20”x20”=1, 20”x10”=1 earth globe diameter: 170 mm earth mounted on 10 mm ms bar 3 satellites connected with 3mm ms bar satellite 24mmx24mmx28mm with solar panel = 3 electrical motor 30 rpm power supply: 12v 2 amp x 2 bthf type 5amp / 200v switch dia: 29mm =1 instruction on 3mm vinyl sunboard size: 9x4.25 inch , satellite launched by india: providng and fixing of the model size 17”x18”x18” box ply thickness: 12 mm sunmica thickness: 1 mm 3mm acrylic 17”x18” and 16”x14” isro’s kalpana sat scale model isro’s aryabhata satellite model instruction on 3mm vinyl sunboard size: 9x4.25 inch , 22.05 cm (8.7inch) immersive display (1340 x 800 pixels resolution) with elegant slim bezel, 80% screen to body ratio for best viewing experience dolby atmos speakers; long lasting 5,100 mah battery with fast adaptive charging 3 gb ram, 32 gb internal memory (expandable to 1 tb) 8 mp rear camera, 2 mp front facing camera, powerful mt8768t processor for best in class multi media experience display type: lcd; graphics description: integrated; hardware interface: bluetooth 5; computer cpu manufacturer: mediatek; processor description: mt8768tmediatek , card size: 11.9 x 7.4 material: 300 gsm paper 27 educational ar flashcards about space including the solar system, planets, space objects, satellites, rovers, and space missions. , telescope: optical design newtonian reflector, optics: 130mm mirror focal length: 900mm, highest practical power:152x faintest stellar magnitude:12, magnifications (with optics supplied): x36, x72, x90, x180, smooth rack and pinion 1.25 focuser, tube weight 4kg approx. mount weight 5kg approx., mount: german equatorial eq2, eyepieces 1.25”: super 25mm,10mm, barlow 1.25”: single lens 2x, finder scope: 5x24 cross wire with bracket & tube rings tripod: aluminum with accessory tray, ra & dec slow motion manual control cables, counter weight with steel rod , providing and fixing of the model size 21”x10.5”x10” box ply thickness: 12 mm sunmica thickness: 1 mm 3mm acrylic 21”x9” 50mm triangular prism power supply: 9v 1 amp robust light box finished in matt black with a 12v 36w s.b.c. axial filament lamp with 0.75m of twin flex. bthf type 5amp / 200v switch dia: 29mm =1 instruction on 3mm vinyl sunboard size: 9x4.25 inch , satellite launching working model: in this project student see the varuous stage of setelite launching. [• first stage the first stage of launch vehicle contains rockets and fuel for lifting the satellite along with launch vehicle from ground. • second stage the second stage of launch vehicle contains smaller rockets. these are ignited after completion of first stage. they have their own fuel tanks in order to send the satellite into space. • third stage the third (upper) stage of the launch vehicle is connected to the satellite fairing. this fairing is a metal shield, which contains the satellite and it protects the satellite. • fourth stage satellite gets separated from the upper stage of launch vehicle, when it has been reached to out of earths atmosphere. then, the satellite will go to a “transfer orbit”. this orbit sends the satellite higher into space.] height 4 ft x base 2 ft x 3 ft , beginners exploration steam/robotics kitmake 1001+ diy projectsskills: block based programming, logical thinking, problem solving skills, understanding circuit designing principles, analytical skills key projects: smart night lamp, obstacle avoider car, light follower robot, door bell, jewel thief drawer, merry go round, night navigator, pet feeder, doraemon cap, art machine , 910mm x510mm x180mm, 10.5kgs , astronomy telescope( 20): providing and fixing the biggest amateur telescope. make in india! the 20 inch aperture telescope (500mm) collects 11 times the light as compared to a 6 inch newtonian. the telescope performs exceptionally well. faint deep sky objects will look like photographs, you won’t ever feel the need to do deep sky astrophotography. the 20 inch will perform nicely even if the sky transparency is not so good. you can transport the 20 inch to high altitudes, dark skies; the view will be etched in your mind for a lifetime. , providing and fixing the 12? telescope is our smallest truss tube telescope and it is the most portable one. in amateur astronomy circles there is an oft repeated quotation that “the best telescope is the one that gets used the most”. the easy portability combined with a large aperture of the the 12 inch is a distinct advantage. the 12 inch truss tube telescope may even be considered more portable than the 10 inch closed tube dobsonian. , observing chair: providing of observing chair. serious sky observers never underestimate the need to be comfortable while observing. it is a well noted fact that you actually see more details in the telescope when observing comfortably and you are far more inclined to prolong your sky observing sessions. get the aperture telescopes’ observing chair for your observations....