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Product -> Heat

Starlac manufacturer, exporter of Heating Lab Instruments like Linear Expansion Apparatus, Steam Engine Model, Hope's Apparatus, Calorimeters, Ring and Ball, Bar and Gauge, Thermocouple, Syringe Kit, Charles Law Kit, Turbine/Pump Unit.

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Linear Expansion Apparatus
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Linear Expansion Apparatus   (HT-1501)

It comprises of two cast iron uprights vertical pillars height approx 180 mm linked by rods, supporting an expansion bar, length 380 mm, fixed to one upright and resting on a friction pointer at the other with scale, supplied with one each aluminium; iron and brass expansion bars.


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Linear Expansion Apparatus
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Linear Expansion Apparatus   (HT-1502)

It consists of a wooden base with two vertical stand posts. One post supports a pointer and other to position the rod under study. The post supporting pointer, has a pointer rod whose lower end is freely rotating over a scale.


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Linear Expansion Apparatus
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Linear Expansion Apparatus   (HT-1503)

Micrometer Screw Form, with built-in micrometer. A metal rod 500 x 4.5 mm (L x d) enclosed in a nickel plated brass tube with three tubules for steam inlet, outlet and thermometer. The metal rod under investigation is supported in the centre of steam jacket. The apparatus is carried on a heavy gauge channel base with adjusting screw at one end and micrometer screw reading to 0.01 mm at the opposite end for measuring the expansion when rod is heated by steam. Supplied complete with copper, brass and iron rods but without thermometer.

Accessory
Thermometer -10 to 110° C x 1°C, mercury in glass. Steam boiler: Copper or tin, cap 1 litre or 2 litre


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Linear Expansion Apparatus
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Linear Expansion Apparatus   (HT-1504)

Same as but mounted on two upright pillars.


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Linear Expansion Apparatus, Gunthur
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Linear Expansion Apparatus, Gunthur   (HT-1505)

It comprises of two cast iron pieces joined by three nickel plated rods carrying two sliding V-supports for a glass jacket having inlet and outlet tubes. One end piece is fitted with spherometer reading to 0.005 mm and other with contact screw at the other end. The glass jacket has both a brass and a copper rod each 500 x 7 mm (L x dia,) fitted through corks. A half turn of the jacket changes the rod in contact with the spherometer. A thermometer is attachable to any of rods by rubber bands. An electrical circuit is made through either rod to indicate the moment of contact of spherometer and centre tube by means of brass terminals fitted to the apparatus. Supplied with 3 metal rods of aluminium, brass and iron but without thermometer.
Spare Glass Tube for above(HT-1505/1)


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Ring and Ball, Gravesande's
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Ring and Ball, Gravesande's   (HT-1506)

It consists of a 25 mm dia brass ball, secured to a brass ring by a chain, with wooden handle. Brass ball when cold will pass through the ring, but when heated, it will not. Thus this simple apparatus demonstrates effectively the thermal expansion.
A. Ball Dia 25 mm B. Ball Dia 18 mm


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Ring and Ball, Gravesande's
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Ring and Ball, Gravesande's   (HT-1507)

Same as but with separate handles


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Ring and Ball, Gravesande's
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Ring and Ball, Gravesande's   (HT-1508)

Same as but with stand as shown.
A. Ball dia 25 mm. B. Ball dia 18 mm.


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Bar and Gauge
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Bar and Gauge   (HT-1509)

To illustrate expansion on heating and contraction on cooling. Comprises a bar of steel 110 x 12mm, supported on rod with wooden handle and gauge with cutout sliding fit over ends of bar and a 12mm hole.


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Bar and Gauge
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Bar and Gauge   (HT-1510)

As but bar of 75 X 9 mm


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Bar Breaking Apparatus
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Bar Breaking Apparatus   (HT-1511)

To demonstrate the forces exerted during thermal expansion or contraction. It comprises of a heavy cast iron frame with slotted end pillars to carry a stout iron bar. The bar is threaded at one end for large tensioning nut and has holes at the other end to accommodate the cast iron breaking bars. Supplied complete with 10 breaking bars.


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Compound Bar (Bi-Metallic Strip)
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Compound Bar (Bi-Metallic Strip)   (HT-1512)

It is to demonstrate, curvature introduced by unequal expansion of two different metals. Two different metal Brass and Iron strips riveted together from end to end and fitted with wooden handle.
A. 150 x 15 mm (L x W)
B. 200 x 25 mm (L x W)
C. 300 x 25 mm (L x W)
Note : Bars with other different metal combinations can also
be supplied, on demand.


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Thermostat, Bi-Metallic, Simple
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Thermostat, Bi-Metallic, Simple   (HT-1513)

Bi'-metallic strip mounted on suitable base with two terminals.


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Adjustable Thermostat, Model
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Adjustable Thermostat, Model   (HT-1514)

Demonstrate the principle of thermostat. A vertically mounted bimetallic strip is used to open or close an electric circuit with change in temperature. Consists of a binding posts for connection , to low current circuits and adjustable contacts.


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Thermocouple
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Thermocouple   (HT-1515)

Four copper and four iron wires 125mm long approx twisted together to form seven junctions, four on one side, three on other side with brass connectors.


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