History of the Typewriter
Forfatter: Geo. Carl Mares
År: 1909
Forlag: Guilbert Pitman
Sted: London
Sider: 318
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— 76 —
We have referred already to the keyboard of the
Caligraph. This was, undoubtedly, its failing, but the
makers were always willing to arrange the types in any
manner desired. But the Caligraph was too large and
unwieldy an instrument to secure the highest degree of
popularity, and the numerous connecting wires contained
in its open frame presented a very spidery and bewilderng
effect.
After making a very plucky fight for years, the Cali-
sraph was withdrawn about 1898, and its place was taken
by the New Century Typewriter, of which full details
appear later on.
The Yost Typewriter.
The most interesting part of the Yost Typewriter is
probably the great success which it has met with in the
English market. Representing, as it does, the latest and
most matured thought of G. W. N. Yost, whose demise
in the year 1895 was recognised as one of the most serious
losses the typewriting world had so far sustained, it
embodied everything which his extended knowledge of
the requirements of typists deemed desirable, and his
great skill as a mechanist enabled him to develope.
He had seen that the shift-key did not meet with
universal approbation, and that the support accorded to
the Caligraph proved the demand for a full keyboard.
When, therefore, he began the construction of the machine
to which he gave his name, that feature, the double
keyboard, was one of the first considerations to which
he devoted attention. He had marked the thickened and
blurred appearance which the ribbon (by no means so
perfect in those days as in ours) gave to the writing,
and there can be little doubt that his attention had been
drawn to the finer work of those Index machines, which
we shall presently deal with and which took their ink from
a moist pad. He therefore decided to incorporate the
doctrine of direct-inking. Moreover, in spite of all efforts
to secure good alignment, he had observed that type-bar
bearings would wear loose, and to surmount this difficulty,
he went back to the device of Francis, and used a centre-
guide which should lock his types all round at the printing
point, and so force them to print in a true line. Finally,
he incorporated the simple device of a pointer, which
should invariably denote where the next letter would
print, and so render scales almost unnecessary.