Circular slide rule for fuel calculations
- Made:
- Germany
- manufacturer:
- A W Faber-Castell
This image is released under a CC BY-NC-SA 4.0
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LicenseCircular slide rule for fuel calculations, plastic
Science Museum Group
© The Board of Trustees of the Science Museum
Circular slide rule for fuel calculations, plastic, made for Mobil Oil Company by A.W. Faber-Castell, Germany
