The encyclopædia britannica; a dictionary of arts, sciences, literature and general information . —Type-barsof Bar-LockMachine. steady and adjustablimuch restricted. Fig. 4.—Type-bar Bearings, Smith Premier. bars swing are mounted tangentially on the ring (fig. 4), so thatlong supporting bearings are obtained, while the shortness of thetype-bars themselves renders it possible to make them very stiff,the rocking-shaft mechan-ism (fig, 5). by which thepower is transmitted fromthe keys to the type-bars,admits of each key havingthe same leverage anatends to uniformity oftouch. This last qual
The encyclopædia britannica; a dictionary of arts, sciences, literature and general information . —Type-barsof Bar-LockMachine. steady and adjustablimuch restricted. Fig. 4.—Type-bar Bearings, Smith Premier. bars swing are mounted tangentially on the ring (fig. 4), so thatlong supporting bearings are obtained, while the shortness of thetype-bars themselves renders it possible to make them very stiff,the rocking-shaft mechan-ism (fig, 5). by which thepower is transmitted fromthe keys to the type-bars,admits of each key havingthe same leverage anatends to uniformity oftouch. This last qualityis also aimed at by inter-posing an intermediateparallel bar between thekey levers and the tvpe-bar. as in the New CenturyCaligraph. In the Dens-more the friction of themovements is minimizedby the employment of ballbearings for the type-barpivots. Electrical type-writers, in which the de-pression of a key does not ^work a type-bar directly,but merely closes a circuitthat energizes an electro-magnet, have been sug- p,,- Mechanism of
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectencyclo, bookyear1910
