DESCRIPTION This is a vintage knife switch mounted on a large piece of slate. The slate base measures about 7" X 6.5" and weighs nearly four pounds. The three copper "knives" are connected to a common

 

THIS ITEM IS A BOGART COAXIAL MICROWAVE DIRECTIONAL COUPLER 2 to 4GHZ - 20DB MODEL 881714-4 SERIAL NUMBER 95 MADE IN U.S.A., BROOKLYN, N.Y.

 

This lab glass ribbed funnel is in good working condition with no chips or cracks. The funnel is 9" tall and 7.25" across the top. Posted with eBay Mobile

 

If you collect drawing instruments then this may interest you. The item is a small set of vintage instruments manufactured in brass with some steel on the points. They come in a polished wooden box me

 

Here is a very nice vintage German made drafting set. It is complete, and has spare tips, and leads. No rust, the felt and the case is is great. Shipped via USPS Priority Mail. This will make a fine a

 

Vintage Microlux Microscope & Dovetailed Wood Storage Box & KK Tachibana Micro-Data Cards. Made in Japan. Lenses 5x 10x 15x Very good condition, as shown. Any questions, please ask. Thank you

 

Miniature very early 1835 Bourgogne antique microscope of a claw.Consisting of two slides held together by balsam. Highly reactive to polariscope and selinite. Excellent condition slight wear to label

 

World War II MILITARY Medical Bag w/CONTENTS US Government O.C.D. Civil Defense Click to View Image Album Click to View Image Album This is a first aid bag from the Office of Civil Defense, O.C.D., du

 

ANTIQUE DRAWING INSTRUMENT BOX-STANLEY A 4 inch x 3 inch hard leather covered box , velvet lining with 3 original drawing instruments fitted inside - stamped STANLEY and owners initial FBH This small

 

Slide Description: This is a very good Injected Section of Human Bladder by E. Wheeler in superb original condition. Slide Condition: Excellent specimen Over the next few weeks of May we will be selli