American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 533
FIG. 325^. … BUCKINGHAM PRINTER. 436?/ FICx. 325^7. the blow of the printing-platen on the type-wheel is also shown in this figure. It con-sists of an endless rubber band h, which runs over two small wheels at the top and apulley c at tbe bottom of the tube. A ratchet-wheel is mounted on the pulley shaft;d is…
Telegraph
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