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Locomotion
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Locomotion
National Railway Museum
National Science and Media Museum
Science and Industry Museum
Science and Innovation Park
Science Museum
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Image
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3
Non-Commercial Use
3
Category
Mathematics
3
Maker
Boehringer, C.H. Sohn
1
Jeffers, Henry
1
Perrygraf Corporation; Victoreen Instrument Company
1
Object type
ready reckoner (medical)
3
Place
Cleveland
1
Cleveland, Cuyahoga county, Ohio, United States
1
Ingelheim
1
Ingelheim, Germany
1
United States
1
Material
brass
1
ivory
1
plastic
1
wood
1
Date
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Jeffers Calculator
1907
Preludin Calculator in cylindrical slide-rule format for human weight calculations
Slide rule for nuclear health physics