Elementary telegraphy : a manual for students; written specially to meet the requirements of the ordinary grade of the subject as published in the syllabus of the city and guilds of London Institute (1910)
Pendry, H. W. (Henry Walter) · London ; New York : Whittaker & Co. · leaf 121
d to provide that a good body of wax remains in thepaper and maintains its insulation and capacity for manyyears. Besides being cheaper, lighter in weight, and smaller,condensers made of foiled paper have the peculiar advantageof possessing to an almost perfect degree, the propertywhich in a… … l-io. S8.—2 u;.f. coiideuscr. mi>mentary short circuits produced by a disruptive dis-charge being instantly and automatically sealed. Thisautomatic sealing is brought about in the following way :owing to the extreme thinness of the conducting film, thesmall quantity of heat generated at the…
Telegraph
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
