| Description | Designs by William Murdock and Matthew Boulton, Atmospheric and Other Engines, Drawings for Court Cases (6 items).
1354b. Newcomen and Single-Acting Pumping engine. Not dated. 8 items.
"Drawing of an Engine upon Newcomen's Construction" - coloured general section of an atmospheric engine marked "No. 1" (this drawing is different to the drawings of an atmospheric engine in Portfolio 1354a).
Coloured general section of pumping engine with open cylinder, separate condenser and chain connection marked "No. 2".
Coloured section of single-acting Watt engine marked "No. 3".
[These drawings have explanatory keys]
Uncoloured copy of Drawing No. 1 marked "made for trials".
Uncoloured and unmarked copy of Drawing No. 2.
Reverse copy of No. 3 marked "this not to be shaded".
Reverse copy of No. 3 with alterations in the valves and an incomplete explanatory key.
Sheet with smaller scale copies of the 3 drawings.
These drawings were made for use in Boulton & Watt's legal cases in the 1790s. |