A new improved slide rule, or mechanics assistant
Subtitle: by which may be calculated, the the speediest manner, without liability to err, all areas of polygons, proportions of steam engines, velocity of water wheels, with their number of revolutions per minute : with other useful questions
By: by John Harker
Publisher: Printed by J. Leech
Published: 1814
Place of publication: Manchester
Language: eng
Number of pages: 12
Subjects: Slide-rule; Handbooks, manuals
Notes: Rare Book copy: Unbound, stitched as issued.