---

Related Objects

57/87 Reitz slide rule

"Concise" Circular Slide Rules No. 28

RaTech Model R-871

Students' Slide Rule Book of Instructions

Slide Rule Case

Gilson Binary Slide Rule

Gilson Binary Slide Rule Case

Instructions for The Binary Slide Rule

Fowler Magnum Long Scale Calculator

Type D-4 Time Distance Computer

Halden Calculex

Halden Calculex Case

Rules, Tables and Formulae for Patent Circular Slide Rule (Halden Calculex)

UTO Studium Slide Rule with Case

UTO Studium Slide Rule with Case

Faber-Castell 62/82 Slide Rule with case

Keuffel & Esser Slide Rule with case

Hughes-Owens Slide Rule with case

Hughes-Owens Slide Rule with case

A. W. Faber Slide Rule with case

Faber Castell 1/22 Disponent Slide Rule in case

Keuffel & Esser Beginner's Slide Rule with instructions and case

Fuller Calculator

Thatcher's Calculating Instrument

Directions for Using Thatcher's Calculating Instrument

Keuffel & Esser Merchants' Slide Rule

Merchant's Slide Rule 4094 and Desk Slide Rules N4096 & 4096M

Replacement Cost Estimator

"Sun Hemmi's Bamboo Slide Rule" Patent.No 58115

Hughes-Owens Sun Hemmi Slide Rule

Aristo Nr. 89 Slide Rule

UTO No. 601 U Slide Rule

Model 1768 The Hughes Owens Co. Limited Slide Rule

Sterling Decimal Trig Multi-Log Slide Rule

'Unique' Universal II Slide Rule

Precision Sterling Slide Rule

---