A wooden rotor variometer from the early 1900s and a pair of number 30 triode amplifiers from the 1920s on an oak base with solid brass corner posts and dense piano felt feet.

 

Being offered to you is an antique small brass field microscope. It is in very good working condition with clear optics, and includes its original wooden storage case and a prepared slide. Many of the

 

pguariglia Store ANTIQUE BRASS LG STANLEY PANTOGRAPH IN ORIG MAHOGANY BOX EXCELLENT CONDITION NoR This listing is for an English large pantograph in it's original mahogany box. The large box measures

 

This listing features a neat, old, dated 1907 through 1915 Obstetrical Record book. It has names and dates but no Doctor's name or location. Of the 200 pages, 142 pages have information. The pages hav

 

old_devil Store VINTAGE BOXED DRAWING INSTRUMENTS LEE GUINNESS TECHNICAL COMPASS SET S102

 

Thank You for looking. Could you imagine having a denist coming at you with this thing....NO THANKS. This is an antique dental drill made by the S&S White Dental Mfg. co.. I have seen pictures of

 

This auction is for a rare hunter case silver aneroid barometer in need of attention. The solid silver case hallmarked from London assay office from 1888 has a few marks but is in excellent condition

 

THIS ITEM IS LOCATED OUTSIDE USA ASK FOR TRANSIT POSTAGE TIME IF YOU ARE AN IMPATIENT BIDDER This is as far as I understand a rare device for cleaning nose. Very good condition BUT FAIR TO MENTIONATE

 

Here is an unusual old altitude gauge from the Mine & Smelter Supply Co. of Denver, Colorado. It measures 12" in diameter with a 9.5" glass face. The back half of the housing is cast iron with a b

 

Lot of two invalid feeders from World War I made in Germany. Smaller one doesn't say where it was made.