Up for bid is a Vintage Leupold-Volpel & Co. Compass. It is in GREAT shape, but does have some paint loss. The body seems to be made out of aluminum. It has a brass hinge and lanyard hoops. The ne

 

This microscope is as found. It is missing some of the instruments (shown in photo) and I could not get the light to work after I plugged it in. Otherwise It appears to be in good condition, in its or

 

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

 

The Kit Includes: 1 - E-Z Sluice Box. The Sluice Box is black, 2 1/2 inches deep, 24 inches long and 7 inches wide. - The lightest, most portable sluice available. Great for backpacking. Made of polyp

 

Rare small Atlas Powder Company tin. Measures 1 1/2" X 1 1/2" x 1"Some wear but in good condition.Please see the photographs

 

Offered here is what appears to be an original copy on heavy paper of the mine location of the New Chesapeake Mine, Victor, Colorado, Cripple Creek Mining District. Measures 9.0 x 8.0. drawn by Dan Ha

 

Lot of 5 unique Viagra pens - each have its unique shape and feel! They are all black ink ballpoint pens. All are no longer manufactured. Collect them while you can. Limited quantity. Included in the

 

its called a planimeter , in original box looks perfect to me has instructions booket also for mathematical engineering instrument no reserve * I always combine shipping wait until invoiced before pay

 

Up for auction is a vintage B D Medical Center Thermometer. It comes with the original box, certificate and holder. It appears to be in fine working shape and has no issues other than a bit of wear on

 

SPECIAL VINTGA AND VERY COLLECTABLE ARISTO SLIDE RULE SCHOLAR #803 NEW OLD STOCK, IN PERFECT CONDITIONS. IT COMES IN ITS ORIGINAL CASE AND BOX WITH THE ORIGINAL MANUAL THAT PRINTED IN SPANISH FOR THE