This is a Crookes tube with multiple electrodes. The gas pressure is lower than most Crookes tubes, correct to allow electron emission in a straight line from the cathode disk while having enough air

 

badfish702 store Antique 1800's Bohemian Glass Beaded Paneled Apothecary Jar Vanity Barber Bottle Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge

 

An Antique Oak Cased Early 20thC Cat's Whisker Crystal Radio Set On offer is this Antique Oak-Cased early 20th Century 'cat's whisker' Crystal Radio Set which came to me amongst some other vintage rad

 

First of all I would like to say I dont actually know what this device is for, however hopefully using common sense I believe is some for of farming branding equipment? Please view the photos to see w

 

Admiral Fitzroy Mercury Barometer This is a recent acquisition from an estate in the Chicago area. I am not familiar with these things and all I have to go on is the tag from Dunning's auction service

 

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HANDLE AND BLADE IN GOOD CONDITION. MARKED MILLER BROS ON THE TANG. MEASURES 5 1/2 INCHES WITH 2 INCH BLADE. FULL REFUND IF NOT PLEASED.

 

ANTIQUE MEASURING FOOTED GLASS CUP WITH ETCHED MEASURING MARKS , HAS TWO ETCHED STAMPS ON THE GLASS DIAMOND AND ROUND SHAPE , STATING THAT THIS IS '' DELIVER LABORATORY , ARMSTRONG CORK COMPANY , MADE

 

Presented for auction today is a nice set of 4 Apothecary Bottles in perfect condition. The wavy glass is so beautiful, and the stoppers are ground glass. NICE! Please see all pictures and ask any que

 

For sale is a lot of medical instruments - 19 instruments in total. Some have scoop type ends. The finish is damaged. The instruments come from the estate of a general practitioner. I will ship it USP