Building the Williamson Engine & Beam Engine Mary
Two modelling guides
First editions. Card covers. Each 21 × 14.5cm, 85pp & 83pp.
Two illustrated guides to engine modelling. The Williamson was first made in Kendal in 1862, and the Beam Engine Mary was originally designed as a non-condensing engine for driving a West Indian sugar mill.
Both books are in very good condition, with a little light wear.