multiplying gear

Featuring multiplying gears ranging from 2:1 to 4:1, these early reels had no drag mechanism, and anglers used their thumb on the spool to provide resistance to runs by a fish.

In this second process, among other appliances, he employed a steel circular saw set with diamond powder and made to rotate with extraordinary swiftness, by means of steam and multiplying gear.

In one form, the Holtz machine consisted of a glass disk mounted on a horizontal axis which could be made to rotate at a considerable speed by a multiplying gear, interacting with induction plates mounted in a fixed disk close to it.