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[nb-NO]Details[nb-NO]
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[nb-NO]Object number[nb-NO]
YO1-946-12
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[nb-NO]Description[nb-NO]
Slide rule for range firing of cannons, 1917, copyright G.P. Wilhelm, 1917, Cleveland Ohio.
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[nb-NO]Date[nb-NO]
1917
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[nb-NO]Object name[nb-NO]
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[nb-NO]Material[nb-NO]
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