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2024.39.1
Facit NTK
2024.39.2
Fowler Magnum Long Scale Calculator
2024.39.3
Fowler Magnum Long Scale Calculator Case
2024.39.4
Instructions for the use of Fowler's Magnum Long Scale Calculator
2024.39.5
Gilson Binary Slide Rule
2024.39.6
Gilson Binary Slide Rule Case
2024.39.7
Instructions for The Binary Slide Rule
2024.39.8
Type D-4 Time Distance Computer
2024.39.9
Halden Calculex
2024.39.10
Halden Calculex Case
2024.39.11
Rules, Tables and Formulae for Patent Circular Slide Rule (Halden Calculex)
2024.39.12
UTO Studium Slide Rule with Case
2024.39.13
UTO Studium Slide Rule with Case
2024.39.14
Faber-Castell 62/82 Slide Rule with case
2024.39.15
Keuffel & Esser Slide Rule with case
2024.39.16
Hughes-Owens Slide Rule with case
2024.39.17
Hughes-Owens Slide Rule with case
2024.39.18
A. W. Faber Slide Rule with case
2024.39.19
Faber Castell 1/22 Disponent Slide Rule in case
2024.39.20
Keuffel & Esser Beginner's Slide Rule with instructions and case
2024.39.21
Gem Adding Machine
2024.39.22
Gem Adding Machine Case
2024.39.23
Directions for the Operation of the Gem Adding Machine
2024.39.24
Guarantee for the Gem Adding Machine
2024.39.25
Decimal Equivalents for the Gem Adding Machine
2024.39.26
Golden Gem Adding Machine Model 15
2024.39.27
Golden Gem Adding Machine Model 15 Case
2024.39.28
Directions for the Operation of the Golder Gem Adding Machine
2024.39.29
Guarantee for the Golden Gem Model 15
2024.39.30
Important! Slip for the Golden Gem Model 15
2024.39.31
Golden Gem Order Form
2024.39.32
Fuller Calculator
2024.39.33
Thatcher's Calculating Instrument
2024.39.34
Directions for Using Thatcher's Calculating Instrument
2024.39.35
Pantograph
2024.39.36
Keuffel & Esser Merchants' Slide Rule
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