Letter Headed Patent Office Museum Relating to Symington’s Boat Engine and Watt’s Condenser

Author represented by a picture and the addressee unidentifiable. Relating to the use of lower parts of the cylinders from Symington’s Boat Engine in 1785 and Watt’s first separate condenser in 1777. (1 sheet/2pp.)

Details

Extent:
1 sheet
Identifier:
TREVF/4/71

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