Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 577
e is now 0, 0, 0, Fig. 3208,according as the arrangement was started with 1 or 2. If started with 1, it would skip 2, 4, 6, &c, andshow 1, 3, 5, <fcc.; if started with 2, it would skip 1, 3, 5, &c, and show 2, 4, 6, &c. The Roman methodof notation, or any other signs or symbols… … 3214.
Mechanical engineering
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