Sun Hemmi Slide Rule No. 256 And No. 149
This item has been shown 0 times.
Sun Hemmi Slide Rule No. 256 And No. 149 :
This lot consists of 3 slide rules: a Sun Hemmi No. 256 with no case; a No. 149 with the case; and, a K&E No. N4081-3S, Log Log Duplex Decitrig, copyright 1947 K&E with patent numbers, in original leather case and cardboard box. K&E rule is practically mint. No names or initials, no ink markings on any of the rules. All in good condition. Please see my other sales.