The section bars’. Photo (3) from a series illustrating the making of a window. From page 15 of catalogue. The caption says ‘The section bars. These are marked out in paint; this lasts during the period of production, and does not affect the finishing treatment’. John Thurgoood, who worked there, says this picture was taken at the Witham works. See link for notes on the catalogue.

Ref	M1936
Publisher	Crittall Manufacturing Company Ltd.
Date taken	1951-1953
Source	Crittall Windows catalogue no.163, 1953. Published by Crittall Manufacturing Company Ltd., Braintree. Large book. Copy lent by John Thurgood of Terling. There is another copy at Braintree museum. .