This is a kueffel esser slide ruler with case. It was made in the usa. It is 12" long. Today after I took pictures to list this with the plastic parts above and below the slider part crumbled apart. I

 

This is a medical specimen case containing real human skull fragments/parts for medical and dental study. This collection of skull parts was owned by a dentist (studying cranio-sacral therapy) and the

 

Here on offer is a set of vintage apothecary weights in the original mahogany box. The box would once have contained two sets of weights, only the larger set remains. The weights are made in brass, th

 

SELLING A VINTAGE US MILITARY W. & L.E. GURLEY, TROY SURVEY INSTRUMENT LEVEL WITH CASE . THIS IS A VERY NICE PIECE TO PUT TO SHOW, BUT I DONT KNOW HOW TO USE OR ANYTHING. IT WILL BE FOR PARTS OR R

 

4 sample sized denture adhesive tins:: 2 Co-Re-Ga, black lid and gold lid, Dentlock "for false teeth". Dr. Wernet's " powder for false teeth"

 

BLASTING GALVANOMETERU.S. ARMYModel E-80GRAY INSTRUMENT Co., Philadelphia, Pennsylvania4" x 3"I have no way of knowing whether the galvanometer works or notCondition as shown in the photos. Normal 0 f

 

Nice old Elkhorn carbide coal miners lamp. This is in nice condition but has wear from age and use. It appears to be complete and is marked Elkhorn on the top. I will gladly combine items to save post

 

You are bidding on 9 each, assorted sizes, lettering guides by Standardgraph: 1. 201/16 Feder Pen 516 2. 201/14 Feder Pen 514 3. 201/14 Feder Pen 514 4. 201/8 Feder Pen 58 5. 201/7 Feder Pen 57 6. 201

 

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 cute little pocket telescope is in very good original condition. The optics are pretty clear. It is marked "Pockescope Sr Patent Appl'd For Woolensak Rochester U.S.A.". It measures about 3 1/4 in