[N317091], Technical Note, Thomas Alva Edison, April 12th, 1886

Item

Abstract

pp. 90-93 drawings related to grasshopper telegraph; p. 95 I think Goerck should build a cheap gramme which will use the air cooling method of winding like that shewn in head light dynamo (drawing) wound either with field distortion or right angle widning on armature"; p. 97 "New cheap Grammed non spkg dynamo (drawing) 10/1000 sheet iron rings built up with tissue paper The rings are split and can be sprung enough to get coils on" drawing; p. 99 "It is doubtful is splitting the ring to get coils on is as good as a winding machine (drawing) Split bobbin run by belt slowly & fast-- fast to fill it & slow to unwind on Iron core--"; p. 100 "Have I patents split disks all put together at one common opening then after coils put on shift them [permanently?]

Date

1886-04-12

Decade

1880-1889

Identifier

N317091

Folder Set

N317

Title

[N317091], Technical Note, Thomas Alva Edison, April 12th, 1886

Microfilm ID

43:48

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University