American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 521
s; the space between letters will equal 3 time units; and the spacebetween words will equal 5 time units. It is then easily calculated how much spaceon the paper strip must be allowed for a given letter, and consequently the amountof paper that must be fed for each letter. As already intimated, the… … -CENTRAL-HOLE CUTTER. inasmuch as it performs an act exactly equivalent to that of the Morse operatorsfingers when he withdraws them at the end of a letter. Obviously, at the end of aletter or word the key must be restored to normal, and the time so occupied countsin the Buckingham alphabet as one…
Telegraph
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten10unit-255-180.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-1043-467.webp)
