Author:Kell, Lyman, with Willis F. Kern and James R. Bland

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Log Log Duplex Decitrig Slide Rule : Number 4081, a Manual, 1943 Edition

By: Kell, Lyman, with Willis F. Kern and James R. Bland

Price: $10.00

Publisher: Keuffel & Esser Company: 1943

Seller ID: 18839

Condition: Good+