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- H. J. Heinz Company Private Telegraph Code Book, April 1916 - Before telephones, a telegraph was used to transmit messages. Once sent, the message was written or printed and delivered by hand. This was an expensive mode of communication (often charging per word), encouraging companies to create unique codes for phrases to reduce cost. This Telegraph Code Book was used by the H.J. Heinz Company.
- April 01, 1916
- Collections - Artifact
H. J. Heinz Company Private Telegraph Code Book, April 1916
Before telephones, a telegraph was used to transmit messages. Once sent, the message was written or printed and delivered by hand. This was an expensive mode of communication (often charging per word), encouraging companies to create unique codes for phrases to reduce cost. This Telegraph Code Book was used by the H.J. Heinz Company.