Brass with hinged top. Measures about 5" diamter on top and 5.5" on base. Appears to be in very good condition. Excellent addition to any collection. Thanks and Happy bidding! -J

 

VINTAGE 67/54 R. DARMSTAD, FABER CASTELL SLIDE RULE WITH ADDIATOR CALCULATOR This is a vintage Faber Castell slide rule 67/54 R. DARMSTAD, slide rule with ADDIATOR manual calculator. In good condition

 

Transit Scope great for a collector or as a statement piece. Seems to be intact although I am not familiar with this type of piece (see pictures for details). The only text on the scope is "Chicago &a

 

steverr1 Store 4312 Land O' Lakes Blvd. Land O' Lakes, FL 34639(813) 996-1787 THIS AUCTION IS FOR Naudet 7162 Mahogany Barograph!OUTSTANDING INSTRUMENT!PLEASE READ TO MAKE THIS A GREAT TRANSACTION FOR

 

You are bidding on an original 3 negative STRIP of Arch Mineral 8200 Maion Dragline at their Horse Creek Coal Mine in southern Illinois and a small BE or Marion dragline coal mine minng.The film used

 

Lot of Vintage Drafting Engineering Drawing Scales Triangular Rulers Calculators etc Great Lot of Drafting Tools All are in Great Shape. Wide Variety of Makers, Years, Tools, Materials. Please include

 

if you're looking for a great antique mining showpiece, this is the item for you.

 

Vintage Antique Doctor's Bag Black Leather by Schell - Making bags since 1865 Lock works and winning bidder will receive the combination/code Base of Bag Measures 16.5" x 6" Measures 9" in Height A ve

 

Vintage Keuffel & Esser Co. slide rule. Case and ruler show slight wear from use and age. There is a name written just on the inside flap of the case as shown in the pictures.

 

Bird Electronics VSWR Slide Rule, (Voltage-Standing-Wave-Ratio) I will combine postage on Multiple Purchases. I charge actual shipping charges. Be sure to add me to your favorites list! Check out my o