Logarithmic slide rule. This adjustable ruler contains the values for logs, which are used to aid multiplication and division. Logarithms are mathematical functions relating numbers to the powers of a set base number such as ten. Slide-rules have been superseded by the use of electronic calculators.
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Details
Creative#:
TOP22161838
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
No
Right to Privacy:
No
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