Brass slide rule in case, by Troughton, 7 1/2 " long, 3/4" wide with one slide; engraved at ends on one side, "Troughton's London fecit", on other side, "John Booth Brush house 1791".
Details
- Category:
- Mathematics
- Object Number:
- 1911-194
- type:
- slide rule
- credit:
- University of Sheffield, Dept. of Applied Science