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Product -> Mechanics

Starlac manufacturer, exporter of Mechanics Lab Instruments mechanical instruments for educational institutes. Starlac wide range of mechnical instruments include : Spring Balance, Electronic Balance, Measuring Tape, Calipers, Pulleys, Hooks Law Apparatus, Inclined Plane, Pendulum. For more mechanical instruments view the list below:-

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Nicholson Hydrometers
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Nicholson Hydrometers   (MC-1221)

For liquid and solid density experiments, comprises hollow metal floatation body, upper loading pan, and weighted lower cone, all black painted. Approx length 25cm


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Battery Hydrometer
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Battery Hydrometer   (MC-1222)

To measure the charge of lead-acid storage batteries by measuring specific gravity of the electrolyte. Hydrometer float calibrated for specific gravity. 1.100-1.350 range with coloured zones. The float is contained in a glass tube fitted with a rubber nozzle and a flexible rubber bulb.


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Flowmeter
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Flowmeter   (MC-1223)

For demonstration of pressure gradient along a uniform bore ? tube. Tapered glass vessel with spherical glass float and right angled inlet and outlet, complete with pressure gradient tube 65 cm long, 8 mm O.D. with four 65 mm long side tubes for connection to 250 mm long manometer tubes. Complete with rubber tubing for connecting manometer tubes.


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Venturi Meter Demonstrator
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Venturi Meter Demonstrator   (MC-1224)

Convenient Kit for illustrating Bernoulli's Law. The Venturi tube, which consists of a plain tube with a smooth constriction in its bore, at the middle is made of up glass and has three side tubes for attaching an included three leg manometer filled with colored water to show the relative pressures at significant points of the tube when gas is flowing through it.


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Bernoulli Tube
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Bernoulli Tube   (MC-1225)

A horizontal tube 500 mm long 12mm O.D. is constricted near its centre and short side tubes are provided in each section for attaching glass manometer tubes 270 x 8 mm bore. If a constant head device is used to send a flow of water through the horizontal tube the variation of pressure in various sections may be determined.


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Evesham Pressure Apparatus
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Evesham Pressure Apparatus   (MC-1226)

It comprises of a wooden box with square apertures at the top, their areas being in the ratio 4:1. There is a flexible plastic membrane immediately under the top of the box. On this membrane, loose loading platforms are supported when fitted into the apertures. A gentle pressurisation of the box with a foot pump demonstrates the relationship between area and the masses. The box is provided with tubules one at each end. Supplied without loading masses and foot pump. Dimensions 400 x 750 x 25 mm, loading platforms, (a) small: 100 mm square and (b) large: 200 mm square.


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Boyle's Law Simple Form
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Boyle's Law Simple Form   (MC-1227)

Simple apparatus to demonstrate Boyle's Law. Consists of a graduated plastic syringe mounted on wooden block, piston of the syringe mounted on another platform. Pressure volume measurement can be made by stacking different weights.


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Boyle's Law Apparatus
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Boyle's Law Apparatus   (MC-1228)

Two glass tubes 220mm long x 8mm bore one closed at the top and other open. Lower ends of two glass tubes are joined by 1 meter of pressure tubing. Both tubes mounted on sliding brackets lockable in any position on metal support rods. Polished wooden stand with graduated scale 0-100 cms, with mms in centre and figured every cm on either side. Supplied without mercury.


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  (MC-1229/1/2)

Mercury for use with above

Spare Glass Tubes for above


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Boyle's Law Apparatus
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Boyle's Law Apparatus   (MC-1230)

With facility to connect or disconnect Jolly's Air bulb to use it as apparatus for carrying out experiments on gas laws or Boyle's law respectively. Mounted on wooden stand with heavy iron base, overall Ht. 1.25 m boxwood scale 0-100 cm. graduated in mms. reading in both directions. Sliding clamp enable a glass air tube 200 mm long and closed at one end to be fixed alongside either the upper or lower portion of the scale, vertical clamping rod carrying holder for the mercury leveling tube with open end. A jolly air bulb 65 mm is supplied which can be slotted to the side of the stand to use it as Jolly's apparatus. Apparatus is supplied with pressure Rubber tube, but with out mercury. Spare parts are asunder


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  (MC-1231/1)

Glass air tube 200 mm long, closed at one end.


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  (MC-1232/2)

Mercury Leveling Tube Glass with upper end open.


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  (MC-1233/3)

Air Thermometer Glass, dia 65 mm.


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Boyle's Law Apparatus, Demonstration
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Boyle's Law Apparatus, Demonstration   (MC-1234)

This apparatus is designed to demonstrate to students that volume of air enclosed in the column is clearly visible to students. A wide bore glass tube is mounted vertically in front of a scale graduated 0-60 cm. Zero corresponds to the inside of the closed top end of the tube. Air is confined in the tube by a coloured oil contained in a metal container fitted with a Bourdon type gauge. A tap is fitted to the side of the metal container, for the air inlet tubf from the pump. As the pressure in the oil container is increased, oil is forced into the glass tube and volume of contained air and its actual total pressure are directly indicated. The tube is of extra strong glass having very large safety overload margin. As a further precaution, a safety plastic screen is secured over the front. Overall ht. 690 mm approx. Supplied complete with oil


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Foot Pump
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Foot Pump   (MC-1235)

A standard car pattern with an integral pressure gauge from 0 to 4 kg/cm2 and rubber tube adopter. The pump has a cylinder and provided with integral pressure tube and standard type valve connector.


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