Shadowgraph for Punch Cutting Machine

Made:
1948
maker:
The Monotype Corporation Limited

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Shadowgraph for Punch Cutting Machine
Science Museum Group
© The Board of Trustees of the Science Museum

Shadowgraph for Punch Cutting Machine
Science Museum Group
© The Board of Trustees of the Science Museum

Floor-standing shadowgraph, Plant No. 1777, made by The Monotype Corporation Ltd., Salford, Redhill, Surrey, England, 1948. Used to magnify (x 200 times) outlines of matrix punch cutting tools. Part of the equipment used in the production system for Monotype matrices.

There are 82 separate processes needed to transform a designer’s drawing (of a letter, figure, punctuation, or symbol) into a piece of Monotype metal type for printing. A pantograph is used to trace and cut the letter from a copper pattern into a piece of steel called a punch. After being hardened, the punch is driven into a piece of bronze using a crank press to produce a matrix. The finished matrix is ready to go to the Monotype Composition Caster where molten metal is pumped through a mould against the matrix to produce a piece of type.

This machine is one of many machines used in the process to make a 0.2 inch or 0.4 inch matrix.

The Type Archive has a functioning Monotype matrix workshop containing around 70 machines and pieces of equipment. It is the only one of its kind in the world and matrices are still produced for customers.

Details

Category:
Printing & Writing
Object Number:
1995-1596
Materials:
aluminium alloy, brass (copper, zinc alloy), copper (metal), leather, paper (fibre product) and steel (metal)
type:
machines
taxonomy:
  • tools and equipment
  • equipment

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