History of the Typewriter
Forfatter: Geo. Carl Mares
År: 1909
Forlag: Guilbert Pitman
Sted: London
Sider: 318
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that the only weakness about it was, that it was not carried
tar enough An arrangement was therefore made providing
or a double shift key : the printing being of the lower case
otters when the machine was normal, upper case letters
being obtained by the depression of the upper case shift
key and figures and signs by the depression of the figure key.
The Wilhams Typewriter Co., in their earlier models
provided, as we shall see, for this double shift arrangement’
and in their literature of those days brought forward the
oilowmg argument in favour of it. The keyboard thev
nad was as follows : *
SPACE KEY
and they argued thus :
tt ^cGurrin’ one the most expert operators in the
refe'Jem SttateS’ ' The question must be considered in
eference to speed m actual work (which includes accuracy)
finers g’ ‘ ’S limited by the action of ‘he
hngers. To demonstrate this, let an operator take a new
practising the ““ write Then> after
practising the sentence, time himself again, and he will
find he can write it much faster ; and further practice on
the particular sentence will increase the speed on it to
nearly or quite double that on new matter. Now let the
sS hr H C ?ew sentence> and he will find his
speed lias dropped back to about what it was before he
mmenced practising the first sentence. Why is this ?
tte mMfe not CapfaMe,°f the ,same rapidity. It is because
tile mind is not so familiar with the keys. If, therefore the
DeprUerssi2hethein 1 ‘°’ “æ SP“d wiU
mechanis'd I -d’rt k<T ‘J" the Remington is purely
_ ■ ' n addition to this, it requires no time To be
a tZXT ?nKthe Remington’ therefore> * —s tha?
th.5 P I 1 f ‘ r lnvented which. instead of adding to
the labour of an already overcrowded mind, will plafe a