Modern instruments and methods of calculation : a handbook of the Napier Tercentenary Exhibition (1914)
Horsburg, E. M. (Ellice Martin), Napier Tercentenary Exhibition (1914 : Edinburgh, Scotalnd) · London : G. Bell · leaf 124
released atthe proper instant to perform thecarry. To guard against over-rotation of the accumulators in either direction from the impulse of the prime movers or from that of thecarrying mechanism, positive stops are also provided. Improvements, however, have been added from time to time… … One ofthe firstnine machinesbuilt Fig. 34.—Early Type.
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