Punch Side-wall Grinder

1953 in Redhill
The Monotype Corporation Limited
Punch Side-wall Grinder

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Punch Side-wall Grinder
Science Museum Group
© The Board of Trustees of the Science Museum

Matrix punch side-wall grinding machine, Plant No.1887, made by The Monotype Corporation Ltd., Salford, Redhill, Surrey, England, 1953. 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.


Printing & Writing
Monotype Corporation Collection
Object Number:
aluminium alloy, brass (copper, zinc alloy), copper (metal), glass, plastic (unidentified), rubber (unidentified) and steel (metal)
overall: 500 mm x 460 mm x 310 mm,
  • tools and equipment
  • equipment