This is the body attachment for a drilling machine which is composed of the adjustable socket which houses the drill bit component that actually makes contact with the material.

Drill and Socket Construction

This is the body attachment for a drilling machine which is composed of the adjustable socket which…

"For sprockets of different diameters, small rings D are used, of different diameters. The nut C is screwed on and off by a wrench; it has grooves, in order to get rid of the turnings that fall on the threads of the studs." —Grimshaw, 1902

Bicycle Sprockets Gear

"For sprockets of different diameters, small rings D are used, of different diameters. The nut C is…

"The principal working parts of the apparatus are the sheet of boiler plate a (fig. 100), the cylinder c, the piston head p, the screw s, and conduit plate d...f, frame." -Walcott, 1901

Intrusion Machine

"The principal working parts of the apparatus are the sheet of boiler plate a (fig. 100), the cylinder…

General arrangement of machinery.  A, upcast shaft; b, winding gear; c, downcast shaft; d, porch; e, cage; f, wire rope; g, head-gear pulley; h, winding engine; k, "tipplers"; l, screens.

Machinery

General arrangement of machinery. A, upcast shaft; b, winding gear; c, downcast shaft; d, porch; e,…

"a, scroll-wheel, intermeshing with the pinion b, which, sliding by a feather on the shaft, c, imparts a gradually decreasing velocity to the latter as b is moved toward the center of a." -Whitney, 1911

Scroll Wheel

"a, scroll-wheel, intermeshing with the pinion b, which, sliding by a feather on the shaft, c, imparts…

"Drawing showing completed 50-foot diameter sand or tailings wheel." -Meese, 1913

Tailings Wheel

"Drawing showing completed 50-foot diameter sand or tailings wheel." -Meese, 1913