J. Hemmi No.1

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Note

Front

Front2 showing Well (cm scale and Patent No. in Chinese charactors)

Back

Front-side

Slider Back

Scale Details

Front Left	Front Right
Back Left	Back Right
Slider Backe Left	Slider Back Right
Well- showing Patent No., Front with J.Hemmi Logo

Note
Trade name "J. Hemmi" and horizontally symmetrical "rising sun" indicate that this rule is very old. Ca. 1927 or older. The Chinese characters in the well are read from right to left: "Patent No. 22129 Hemmi Improved Slide Rule".

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