Titles published by Calculagraph Company:
Number of documents found: 1
- Calculagraph
Title: Calculagraph - The Elapsed Time Recorder for Timing LAbor
SubTitle: [Brochure, Pricelist April 1927, instructions , sample timeslips]
Keywords: catalog
Other Keywords: calculagraph work time recorder manual
Edition: 1920s undated
Page or pages: 30
BHM No: 11242
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