Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,124 pages of information and 223,035 images on early companies, their products and the people who designed and built them.
1918 Directory of Manufacturers in Engineering and Allied Trades published by Wyman and Sons Ltd., 109 Fetter Lane, E.C.4. and Reading.
A list of manufacturers who have undertaken contracts and sub-contracts for the manufacture of munitions of war - compiled by the Department of Engineering, Ministry of Munitions.
The list compiles 8,760 Engineering firms during 1916-18 from the 20,000 names appearing on the Headquarter and Area records of the Ministry of Munitions, the Board of Trade Census, the Admiralty List of Contractors and the principal Engineering Directories.