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MAXWELL?S VIBRATION NEEDLE
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All brass N.P. For experiments on rigidity. It consists of a hollow brass tube graduated with scale divided in mms and with vernier to read 0.05mm. 40cms. Long, 18mm dia fitted with a small chuck and carrying a mirror, 2 solid cylinders and 2 hollow cylinders all 10cms long accurately fitted in the bore of the tube and ceiling attachment with chuck. |
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