Eiq.3. - Exvacuo

20 bearing-friction, spring-inequalities and the vibration of the instrument as a whole. like) may be ..... ment, is rotatable in ball-bearings 37 and 38 fixed in tube ...
464KB taille 1 téléchargements 223 vues
N. 1ESLA. SPEED INDICIITOR. .i

APPLICATION FILED DEC. 18.1916 •

Patented Aug. 6, 19l&..

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Eiq.3.

'Pig. 5.

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