255 Collection of papers relating to early steam cranes and winches made by J. Taylor and Company, Birkenhead
Vertical position of the axes, wheels, et cetera, of right group of Plan 28 while performing multiplication as in Notation 268.
Trains and vertical motions of the wheels and axes of the right, middle and left groups of Plan 28a for multiplication as performed in working Notation 268. Sheet 1 of 3.
Duties of the calculating mechanism of left, centre and right groups of Plan 28a. Right group. Sheet 1 of 11.