Record

Ref No	MS 3147/3/526/24
Title	Letter. Sir John Clerk (Penicuik) to James Watt [Soho]. 25 May 1786.
Level	Item
Date	25 May 1786
Description	David Hutchinson of the Iron Mill near Dalkeith has invented a hinged draught excluder. He does not wish to patent it. Do Boulton & Watt wish to buy the right or can they advise him?
Access Status	Open

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