Vintage Sun Hemmi Bamboo Slide Rule EH 80K Very Good Condition And Original Box The Box Is Underneath The Ruler, Black And Little Worn

Wood Extension Rule W/ Brass Extension Slide, 6' X 5/8, Air, Hand, & Power Tools, Wood Folding Rules

Crescent Lufkin TX46N - Wood Rule With Two 6 Slide Rule Extension, 5/8 X 6'

SLIDE Rulefaber Castell With Instruction Booklet And Case. Excellent Vintage

Crescent Lufkin 5/8in X 6' Red End Wood Rule With 6in Slide Rule Extension - TX46N

Spiral Slide Rule: Equivalent To A Straight Slide Rule 83 Feet 4 Inches Long, Or, A Circular Rule 13 Feet 3 Inches In Diameter By Fuller, George By Thriftbooks

Crescent Lufkin 6' X 5/8" Wood Rule Red End With 6" Slide Rule Extension Natural X46N

Zenspace 2m Ten-Piece Folding Slide Rulers 6.6ft Inside Reading Multi-Purpose Foldable Carpenter Ruler Lightweight And Compact Measuring Tool