16

IV. Alternating system.

V. Incandescent system, usual.

VI. Arc and incandescent series

system, little used.

VII. Arc and incandescent series and incandescent multiple, little used.

VIII. Arc system.

IX. Series-wound dynamo (arc).

X. Shunt-wound dynamo (incan-
descent or arc).

XI. Compound-wound dynamo.
XII. Alternating system.

"XIII. Closed and open circuit arma

:6

tures.

XIV. Siemens, Gramme, and alter

nator windings.