Roper's catechism for steam engineers and electricians .. (1899)
Roper, Stephen. [from old catalog], Keller, Edwin R., [from old catalog] ed, Pike, Clayton W., [from old catalog] ed · Philadelphia, D. McKay · leaf 322
SERIES MACHINE. 1I SI ;o)^ eui ^ SHUNT MACHINE. A. A dynamo in which the field-magnet coilscarry all the current produced by the machine—that is, the current flows around the field-magnetcoils before going to the external circuit. Q. What is a shunt dynamo ? STEAM ENGINEERS AND ELECTRICIANS. 301 … COMPOUND MACHINE. A. One in which only a fraction of the currentis had around the field-magnet coils. Q. What is a compounddynamo ? A. A combination of shuntand series. Q. What are the purposesfor which a series dynamo isused? A. A series dynamo tendsto produce a current of con-stant strength…
Steam engineering · Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-933-420.webp)
