| Description | Designs by William Murdock and Matthew Boulton, Atmospheric and Other Engines, Drawings for Court Cases (13 items). 1354d. Other General Drawings. 1780s-1790s? 13 items. Section and plan of a single-acting pumping engine, boiler and pump marked "Boulton & Co.'s New Invented Patent Fire Engine" - shaded drawing, not dated. [This drawing was exhibited by The Science Museum who suggested that it was made for "illustrating the first Patent taken out in 1769." The use of the style "Boulton & Co." suggests a different purpose.] Sections of an engine - partially shaded drawing, not dated. [This drawing, possibly of one of Edward Bull's engines, is similar in style to the above drawing but bears no titles or dimensions.] Section of a pumping engine with chain connection marked "Mr. Watt's Single Reciprocating Engine" - rough sketch, not dated. Section of an atmospheric pumping engine - drawing marked "Pl. II" and "Beighton's Steam Engine," not dated [rough sketch of plate for Encyclopedia Britannica, 1797]. Section of a sun & planet engine with rack and sector connection - sketch marked "Pl. III. Mr. Watt's double steam engine from his Specification," not dated [rough sketch of plate for Encyclopedia Britannica, 1797]. General section of a pumping engine with parallel motion (late 1790s?) - 5 coloured copies. Section of a pumping engine with parallel motion, not dated. [This drawing is similar to the above sections, but smaller and showing boiler.] Printed sheet with 2 general sections of a sun & planet engine with parallel motion. References to drawings of Watt and Bull engines, not dated. |