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

 

Up for auction today we have a Rare Antique NOTARY SEAL PRESS - V.F. SIEVERDING IOWA !! In good condition....see pictures. Combined shipping is always available. All items will be insured. As with all

 

ocwguitarist store Description A scarce, antique brass and iron miner's lamp or Davy lantern stamped "Evan Thomas Makers, Aberdare, South Wales No. B6" and has "fleur-de-lis" mark on cover as shown. A

 

Dr.James P.Campbells "ARSENIC COMPLEXION" Wafers!Please Feel Free To Ask Any Questions!

 

ANTIQUE MEDICAL ITEM: GLASS NASAL IRRIGATOR, 6” closed, 8.75” extended Also called NASAL DOUCHE (douche in French means to bathe or shower) No marks to indicate maker or country of manufacture BAR

 

Here is a group of 11 medical/surgical instruments. I think they may be older. They are mostly stainless. They are all in Very Good condition with nice finishes-some have a few light rust spots. All i

 

dbellle store ANTIQUE LOT OF 4 APOTHECARY JARS "WHITALL TATUM & CO. " For auction is a lot of 4 antique clear glass apothecary jars manufactured by Whitall Tatum & Co. Each of the jars has WT&

 

ANTIQUE 1800'S MEDICAL PORCELAIN APOTHECARY JAR WITH LID, ONG: POPULEUM, WREATH ANTIQUE 1800'S MEDICAL PORCELAIN APOTHECARY MEDICINE JAR WITH LID, ONG: POPULEUM, WREATH. This listing is for a vintage,

 

Victorian vaporizer appears to be complete and intact. The wick within the glass bottom is in good condition. Top of box missing (see image). 6-12/" tall.

 

You will Love using this Gorgeous Vintage Pestle & Mortar! Crafted in Italy, the turned wood is satiny smooth with all rounded edges. It feels Substantial, with the size and weight to hold and wor