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Accountants Rule 5 circa 1924; math tool

Mint condition. Not a single scratch. Keuffel & Esser Co., N.Y. Seriel#442129; Model#N4092-5; Log Log Duplex; K, DF, CF, CIF, CI, C, D, L;

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Uploaded on February 12, 2011
Taken on February 11, 2011

Accountants Rule 5 circa 1924; math tool

Mint condition. Not a single scratch. Keuffel & Esser Co., N.Y. Seriel#442129; Model#N4092-5; Log Log Duplex; K, DF, CF, CIF, CI, C, D, L;

131 views
0 faves
0 comments
Uploaded on February 12, 2011
Taken on February 11, 2011
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