Robison's Manual of radio telegraphy and telephony for the use of naval electricians (1918)
Robison, S. S. (Samuel Shelburne), b. 1867, United States Naval Institute, Todd, David Wooster, Hooper, Stanford Caldwell · Annapolis, Md. : The United States Naval Institute · leaf 116
oil (paper dielectric).For large powers, glass plates in oil or metal plates in compressed air arepreferred. For small sets the most convenient for use, installation, andinspection, are the standard jars, in air or oil, or glass plates set ver-tically in oil. Fig. 49a is a special form of Leyden…
