Classic Keuffel & Esser Log Duplex DeciTrig slide rule. The latest patent dates from 1940, and Mr. Lundin was already a graduate student in Chicago by 1950, so the timeline for dating this is pret

 

Here's a very nice little lot of 5 vintage tweezer-looking things. I believe they are ophthalmic forceps as their double point ends are very small and delicate. They come in this nifty wooden box that

 

Marble Morter and Pestle Small Size Mortar Approximate Size: 3.5 inches diameter 2 inches height Pestle Length: 3.5 inches Great Kitchen Tool Can be used to hand grind spices/ medicines etc NOTE: Sinc

 

Early Low Vein MSA Comfo-Cap with nice Tiger Striping and original liner/lacing. You can see where the MSA sticker that told the size was on the underside of the helmet, but it's no longer there. So t

 

In good condition a microscope platform accessory with 4 Objectives in its original box by Meopta Praha.Unsure what it is called any help would be appreciated.The platform measures 3 3/8ths in diamete

 

For Auction 2 Vintage Apothecary Jars Floral Decorated with Fruit Finals on Lids Jar marked Oppio measures 6.5 inches High - Diameter 2.25" Jar marked Crriaea sp? is 7.75" High - Diameter 2.5" The onl

 

LUFKIN 100 LINK STEEL SURVEYING TAPE WITH PINS. Marked THE LUFKIN RULE CO., SAGINAW, MICH., MADE IN U.S.A. As near as I can tell this tape is in good working order. Wood handle has most of the origina

 

ANTIQUE MICROSCOPE SLIDE BY ALFRED REEVES. MICROPHOTOGRAPH. THE INTRODUCTION OF CHRISTIANITY INTO BRITAIN. SEE IMAGES FOR CONDITION. EXCELLENT. NEAR TO MINT CONDITION I HAVE HAD TO RAISE POSTAGE COSTS

 

VINTAGE 1959 PICKETT & ECKEL N1006-T TRIG 6" SLIDE RULE W / CLIP LEATHER CASE ! Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlar

 

Artery model demonstrating the four stages of atherosclerosis. Model shows four stages: Normal, Fatty Streak, Plaque and Stenosis. All stages rotate on a hinged pin. Product is new, unopened and in or