Dietzgen Maniphase Multiplex Slide Rule (N1732)

Eugene Dietzgen Co.
Scales: A-B-C-C1-CF-C1F-D-D1-DF-K -L-LL1-LL2-LL3-LL01-LL02-LL03-S-ST-T
Overall length: 12.5 inches (Ruled portion = 10 inches)