II.

TOOLS.--Forms for working wood and metals. Principles involved in their

use.

Principles of pattern making, moulding, smith and machinists' work so

far as they modify design.

Exercises in Workshops in mechanical manipulation.

Estimates of _cost_ (stock and labor).

MACHINERY AND MILL WORK.--Theory of machines. Construction. Kinematics

applied. Stresses, calculated and traced. Work of machines. Selection

of materials for the several parts. Determination of _proportions_ of

details, and of _forms_ as modified by difficulties of construction.

Regulators, Dynamometers, Pneumatic and Hydraulic machinery. Determining

_moduli_ of machines.

POWER, transmission by gearing, belting, water, compressed air, etc.

LOADS, transportation.

Scientific American Supplement, No. 433, April 19, 1884 · 第 16 / 69 题