Record

Ref No	MS 3147/12/48/5
Title	Transcript of letter. Robert Armstrong (Victoria Arches, Manchester) to George Clarke (Marine Parade, Brighton). 29 Apr. 1844.
Level	Item
Date	29 Apr 1844
Description	His experiments with expansion valves as applied to cotton mill engines. Sent with William S. Garland’s letter of 11 May.
Extent	1
Access Status	Open

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