N600-ES Speed Rule with case Used. Ruler itself is in great shape. The leather case is a bit rough. When you pull on the tab in back it does pull the ruler out about 1-2 inches - so that is working. I

 

Up for auction is a vintage Binary Slide Rule with case and instructions. The slide rule measures 8 and 5/16th inches (not including transparent arm). On the side with 2 arms, it says, "THE BINARY SLI

 

Vintage Vemco 4 1/2" Drop Bow Compass Near Mint Vintage Vemco 4 1/2" Drop Bow Compass Near Mint. From smoke free home and no musty odors. Auction Wizard 2000 - The Complete Auction Management Software

 

FOR AUCTION AN ANTIQUE SMALL BOX WOOD AND BRASS FOLDING SECTOR RULER. GREAT CONDITION , GOOD PATINA . NO MAKERS NAME , BUT THERE IS WHAT LOOKS TO BE A POSSIBLE MAKERS EMBLEM , PLEASE SEE PICTURES. ( T

 

WMS-III Record Forms You are bidding on an open pack containing 23 new Visual Reproduction Response Booklets for the Wechsler Memory Scale - Third Edition. Please bid on this item ONLY if you can prov

 

Please note: this item is being sold on consignment, please allow for up to 5 days for shipping. Hello, up for auction is an original vintage drafting tool. Please view the images closely to see their

 

No reserve. High bidder wins...And...I ship fast! Nice condition Lawrence Engineering # 250-BT scientific / engineering wooded slide rule with case. Looks and operates nice. Some very small marks. Inc

 

Selling this old Wood leg (I think Oak) survey transit tripod stand with adjustable legs. As pictured it stands straight up 40 inches plus there is about another 12 inches of adjustment left to let ou

 

Dayton, Nevada, Rock Point Mill, 1906, during the flood, Real Photo. This a 5 1/2 x 3 1/2 inch photo is in great condition, the gloss finish will show some light reflection. These photos may be reprin

 

The title page reads in part : "A System of Geometry & Trigonometry together with a Treatise on Surveying; Teaching Various Ways of Taking the Survey of a Field; Also to Protract the Same & Fi