Inside Out Library · Explore

Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)

Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1349

An illustration from Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery, 1922, leaf 1349
t currentonly. The company makes an alternating current volt-meter but no ammeter. Thomson Astatic instruments arefor direct current. The Thomson Inclined Coil in portable^or edgewise switchboard form is for alternating current. Wattmeters.—By combining two coils^ one movable^ theother stationary,… … Fig. 618thomson inclined coil instrument The recording wattmeter records watt-hours. A watt-hour is one watt of power used for an hour, or any combina-tion like one-quarter of a watt for four hours, etc. The Thomson Eecording Watt-Hour Meter is used fordirect, or alternating current. It is shown…

Steam engineering · Electrical engineering · Steam-turbines

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

More pictures from Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery

More like this