|
1. |
Present state of fire-telegraphy |
|
Journal of the Society of Telegraph-Engineers and Electricians,
Volume 17,
Issue 72,
1888,
Page 258-290
R.von Fischer Treuenfeld,
Preview
|
PDF (2068KB)
|
|
DOI:10.1049/jste-3.1888.0009
出版商:SocTE
年代:1888
数据来源: IET
|
2. |
Electrical stress |
|
Journal of the Society of Telegraph-Engineers and Electricians,
Volume 17,
Issue 72,
1888,
Page 310-331
A.W.Rücker,
C.V.Boys,
Preview
|
PDF (1444KB)
|
|
DOI:10.1049/jste-3.1888.0011
出版商:SocTE
年代:1888
数据来源: IET
|
|