History of the Typewriter
Forfatter: Geo. Carl Mares
År: 1909
Forlag: Guilbert Pitman
Sted: London
Sider: 318
Søgning i bogen
Den bedste måde at søge i bogen er ved at downloade PDF'en og søge i den.
Derved får du fremhævet ordene visuelt direkte på billedet af siden.
Digitaliseret bog
Bogens tekst er maskinlæst, så der kan være en del fejl og mangler.
—285—
The Silent. This machine probably did little more
than reach the invention stage, and although a machine
which justifies the use of the title has long been waited
for, yet the world still waits. The claim was made on
behalf of the Silent, that it was the only machine capable
of doing its work noiselessly. This feature was not accom-
panied by any counterbalancing defect, for it was said to
be rapid as any other and just as good for manifolding.
The method by which the machine worked, and which
secured its noiselessness was very simple. The type-bar
was in the shape of an elbow, and when the key was struck,
the type found its way almost to the surface of the paper,
and was then pressed, by means of a toggle joint, into
actual contact therewith. Whilst this movement may
have readily secured a good impression, even through a
ribbon, it is a little difficult to imagine that the double
movement, the second (i.e., sending the type home) of
which would only commence at the termination of the
first (i.e., bringing it into position) could have been executed
with that celerity which is now looked for, whilst the amount
of dead pressure required to produce say three or four
carbon copies, must have been, had. the machine been put
to practical use, very great.
Slocum Visible. We have found references to a
machine of this name j but cannot learn <iny details as to
its construction.
Tangible. The Tangible Typewriter Company was
registered in 1895 with a capital of £5’°00 s^ares-
The object of the Tangible was to provide a means of
executing embossed writing, for the use of the blind.
machine was extremely simple, and capable of being learned
and manipulated with ease, but the venture did not prove
to be a commercial success.
Triple Typewriter, A. The Typewriter l rade Journat
(of New York) presents the accompanying illustration
of a triple typewriter, manufactured by a Cincinatti
firm out of three Smith-Premier machines. The front
portion, it will be observed, is a machine complete in itself,
but at the rear are two other machines, divested of then-
keyboards, and so connected with the front machine that
on the depression of any one key, all three type-bars move
simultaneously towards the printing point. The three
carriages also travel together, so that three separate top
copies of any piece of work can be typed at one operation.
The machine illustrated was required for use by a
manufacturing business, where duplicate orders were