International Multigraph Company (Britain)
of Holborn Viaduct, London (1915)[1]
1909 International Multigraph Company Ltd offered the Gammeter Multigraph machine, a multiple typewriter and rotary printing press.[2]
1916 International Multigraph Company Ltd
By 1920 The company was International Multigraph Company (Britain) Ltd[3]
1931 Acquired by Addressograph Ltd