[SCIENCE & TECHNOLOGY]. A group of 2 telegraphy-related items, comprising:

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Sold Date 2026 full date locked

Source LESLIE HINDMAN, Chicago, IL, USA

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Description

[SCIENCE & TECHNOLOGY]. A group of 2 telegraphy-related items, comprising:

Wireless Telegraphy. Secrecy as to contents of Radiotelegrams. Britain: n.d. ca early-to-mid 20th century. 7 1/2 x 9 1/2 in. (toning, light soil, loss at upper right corner). Mounted with adhesive on lined paper of matching size and mounted again on...

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