engineering slide ruler
engineering slide ruler
Recommended
1940 VINTAGE LAWRENCE ENGINEERING SLIDE RULE WOOD WOODEN
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Vtg 1985 Train Slide 3661 UP Union Pacific Engine Quinter KS Y2H012
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Vtg 1986 Train Slide 57 Black River Engine X7K138
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University Illinois Engineering Lab 35mm Slide 1950s Red Border Kodachrome
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BNSF 7056 Train Engine Locomotive Vintage 35mm Slide Daggett California 114
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Vtg 1987 Train Slide 9000 Union Pacific Steam Engine X8A056
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Vintage Lawrence Engineering Slide Rule 10-B - Peru, Indiana Classic! 📐🛠️
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