[1559]. Differential worm gear. The worm gears into two wheels, one having one tooth more than the other.
See also [Sections 40] and [31].
Section 85.—TRANSMISSION OF POWER.
a.
By belt, chain, or rope. See [Sections 3], [66].
b.
By shafting. See [Section 76].
c.
By gearing. See [Sections 84] and [40].