| 325 Torsion Apparatus Searle's (Vertical Pattern) : |
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| Torsion Apparatus Searle’s (Vertical Pattern) : |
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Rigidity Apparatus : The 30 cm long wire under test is connected to two brass rods 30 cm long. complete with test wires with connecting screws. |
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Rigidity Apparatus: Dynamical method 30 cm & 2.5 cm. |
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| 328 K. Constant Spring Apparatus : |
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| K. Constant Spring Apparatus : |
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| 329 Watt's Governor model : |
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| Watt’s Governor model : Iron C. P. |
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| Jack & Screw : Simple form, fitted with screw & nut. |
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| Jack & Screw : With pan, pulley and scale attachment. |
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| 333 Reading Telescope Deluxe : |
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Reading Telescope Deluxe : Focal length 178mm & 25mm clear aperture, focussing by rack and pinion, provided with stand, 25mm dia steel pillar, both tubes of the telescope are of brass. With scale & scale holder. Superior quality. |
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| 334 Model of Astronomical Telescope : |
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Model of Astronomical Telescope : Fitted on metallic base. |
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| 335 Model of Terrestrial Telescope : |
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Model of Terrestrial Telescope : Fitted on metallic base. |
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