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Pneumatics and
Hydrostatics
1091. Air Pump N. P. Single barrel made from steel
pipe fitted on wooden base wlo stop cock aluminium plate.
Plate diameter of 12.5 cms., 15 cms., 17.5 cms., 20 cms. or 25 cms. |
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1092. Air Pump Vaccum single barrel of steel pipe,
Aluminium Plate on wooden base with Stop Cock Diameter of Plate 125
mm, 150 mm or 200 mm. |
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1093. Air Pump Vaccum
Single barrel of steel pipe plated brass plate on wooden base with
stop cock. Diameter of Plate 125mm, 150 mm, 200 mm.
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1094. Air Pump, Pressure or Vaccum, brass barrel with
nozzle riffled for rubber tubing reversal of plunger & valve
converts to pressure pump. |
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1095. Newton's
Colour Disc.
Mounted on metal
stand with driving wheel, belt and handle. |
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1096. Newton's Colour Disc Superior, diameter of disc
14 cms. mounted on heavy metal stand with driving wheel, belt and
handle, hammertone finish. |
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1097.
Newton's Colour Disc With motor workable on 2-4 v dc. |
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1098. Pin Hole Camera, Brass N.P. |
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1099.
Newton's Rings Apparatus:
Comprises: Pair of glass plates 50mm diameter, one plane, the other
slightly convex with radius of curvature 2000mm mounted together in
metal frame. Pressure between plates adjustable by three spring
loaded screws. |
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1100. Bar
magnets
Steel Red spray painted with keepers.
length in mm. 50, 75, 100 or 150 mm. |
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