Vintage Slide Rule Dietzgen Plastic Multiplex Vector Type Log Leather Case USA

Vintage Eugene Dietzgen Maniphase Multiplex Slide Rule. Catalog Number 1735. Vector Type Log Log Rule. Made in USA. Includes original case. Made of plastic and metal. With L, LL1, DF, CF, CIF, CI, C, D, LL3 and LL2 scales on one side. Exact age is unknown. Condition is used. The slide cursor works well. The storage box has overall wear from normal use including scuffing and some material loss at corners. There are some initials written on the interior of the closure flap. Please zoom all photos for condition details. Case measures approximately 12-3/4 inches L x 2-1/2 inches x 3/4 inches D.