Moxon's mechanick exercises, volume 1 (of 2) : $b The doctrine of handy-works applied to the art of printingMoxon, Joseph
History
Moxon's mechanick exercises, volume 1 (of 2) : $b The doctrine of handy-works applied to the art of printing
Moxon, Joseph
Printing -- Early works to 1800
The Inside and Outside of the Face thus finished, he considers what
Sholdering the Shank of the _Punch_ makes now with the Face, round
about the Letter. For, as the Shank of the Letter stands farther off
the Face of any of the Stroaks, the Sholdering will be the greater
when the Letter is first made; because the Outsides of the Letter,
being only shaped at first with Fine Small Files, which take but little
Steel off, they are Cut Obtusely from the Shank to the Face, and the
Steel of the Shank may with Rougher Files afterwards, be Cut down more
Tapering to the Shank. For the Sholder of the Shank, as was said before
in this ¶, must not make an Angle with the Face, of above 100 Degrees;
because else they would be, first, more difficult to Sink into Copper;
And Secondly, The broad Sholders would more or less (when the Letter
is Cast in such Matrices) and comes to the Press, be subject, and very
likely to be-smear the Stroaks of the Letter; especially, with an Hard
Pull, and too wet Paper; which squeezes the Face of the Letter deep
into the Paper, and so some part of the Broad Sholdering of the Letter,
receiving the Ink, and pressing deep into the Paper, slurs the Printed
Paper, and so makes the whole Work shew very nasty and un-beautiful.
For these Reasons it is, that the Shank of the _Punch_, about the Face,
must be Filed away (at least, so much as is to be Sunk into Copper)
pretty close to the Face of the Letter; yet not so as to make a Right
Angle with the Face of the Letter, but an Obtuse Angle of about 100
Degrees: For, should the Shank be Filed away to a Right Angle, _viz._ a
Square with the Face, if any Footing or Topping be on the Letter, these
fine Stroaks will be more subject to break when the _Punch_ is Sunk
into Copper, than when the Angle of the Face and Shank is augmented;
because then those fine Stroaks stand upon a stronger Foundation.
Therefore he uses the _Beard-Gage_, and with that examines round about
the Letter, and makes the Face and Shank comply with that.
Public-domain text, read in full here on John Shaqi.
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