Instructions for testing telegraph lines and the technical arrangements of offices (1878)
Schwendler, Louis, 1838-1882 · London : Trèubner · leaf 188
spring t loses its force, and consequentlyy*is not pressed sufficiently against/, causing irregula- INSTRUMENTS AND CONNECTIONS 175 rities in the running out of the tape. By unscrewingthe pin a, and straightening the spring t somewhat, itsforce may be restored. Two springs (^), one pressing oneach… … Figure 15 gives the same arrangement when thepaper-wheel moves in a vertical plane. In this case the paper has to pass round the threeguides c, c and c. Further explanation is not required. Ink-holder and Inking-wheel.—^Fig. 15 gives theview of these arrangements. When the armature I isattracted,…
Telegraph · Telegraph lines
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