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SIPHON BAROMETER TUBE (LSE)
For Cat. No. 9266 made of glass 90mm long with bulb on shorter limb.
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DEMONSTRATION ANEROID BAROMETER (LSE)
100mm dial with movement encased in a transparent acrylic case suitable for full view of the movement allows the action to be demonstrated with the help of a rubber bellow. Complete with the bellow
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ANEROID BAROMETER (LSE)
Dial 100mm in diameter, dial scale 960 to 1060mb (28-31 in x 0.10 in) figured in black, good quality movement mounted in a polished plastic frame 155mm diameter with glass in anodized bezel with lug for rear mounting.
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BOURDON GAUGE (LSE)
BOURDON GAUGE A circular gauge having an over all diameter of 100mm & a depth of 40mm. The dial reads 0 to 50 lb./in? x 1 & o to 3.5 Kg/cm? x 0.1 actual (total) pressure.
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MAGDEBURG HEMISPHERES (LSE)
75mm diameter of brass, with stopcock & handles. One handle can be unscrewed & the complete sphere connected to the hand vacuum pump.
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BERNOULLI TUBE (LSE)
A horizontal tube 500mm long with a bore of 10mm is constructed near its centre & short side tubes are provided in each section for the attachment of glass manometer tubes 270mm long with 8mm bore. The apparatus is supplied complete with three glass manometer tubes & rubber tubes for connecting manometer tubes.
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SMOKE CELL (LSE)
For demonstrating Brownian motion. Designed for use with a microscope. A short cylindrical cell, closed by a cover glass, is held vertically in an opaque channel 90x90x30mm. Illumination is by an integral filament bulb & cylindrical glass lens. The cell enables Brownian motion to be observed for at least 15 minutes after charging the cell with smoke. Fitted with 4mm socket terminals for connection with 12V supply.
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BALL & RING APPARATUS (LSE)
To demonstrate thermal expansion. Comprising a brass ball, a brass ring mounted on a rod with a wooden handle, a chain is provided to hold the ball with the ring. The ball passes through the ring when cold but does not after being heated.
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BALL & RING APPARATUS (LSE)
An apparatus for demonstrating thermal expansion, comprising a brass ball 25mm dia., with rings adjustable mounted on a tripod base.
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BAR & GAUGE (LSE)
A casted brass gauge with wooden handle, sliding fit over ends of bar & with hole 12.5mm bore in both arms & a mild steel bar 110x12.5mm with wooden handle.
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EXPANSION APPARATUS (LSE)
Comprising two iron casted stand of 180mm height joined by two chrome plated rods, with an expansion rod, length 380mm, fixed on one stand & resting on a Friction pointer placed at the other. With graduated scale 0-90? with 3 expansion bars of Iron, Aluminium, & Brass.
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HYPSOMETER COPPER (LSE)
For determining the upper fixed point of thermometers & boiling points at barometer pressure other than atmospheric. Comprising an upper boiling vessel with a steam jacketed inner tube. A lid with a tubule is provided, which holds the thermometer under test in a bung. A side outlet draining tube & a manometric tube mounted in a tubular with rubber bung; overall size 300x100mm approx.
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COMPOUND STRIPS (LSE)
For demonstrating the differential expansion of two different metals. One each brass & iron plates 350x35mm riveted together from end to end with wooden handle.
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THERMOSTAT BIMETALLIC (LSE)
Brass-invar control. For operation on gas supply, with adjustable screw valve & riffled connections for gas supply & burner. Overall length 140mm.
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HOPE?S APPARATUS (LSE)
For determining maximum density of water, made of G.I. sheet cylinder 50mm diameter x 300mm height mounted on a base having two tubulators for thermometers, with a gallery of 60x150mm for placing mixture of ice & salt. The respective temperatures of water at the top & bottom of the inner cylindrical vessel are measured over a period as the water cools.
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