Vintage Omicron beam compass that allows for drafting circles up to 72 inch radius. Wood box is 5 1/2 by 2 7/8 by 3 1/4 inches deep. Box shows some scuffs and previous owner put his initials on box. C

 

Seth Thomas Nautical Wall Mounted Brass Barometer Model No. 1056. Made in Germany. Tested and working, although not tested for precise calibration. Measures 5" in diameter and is 3" tall. Great for yo

 

Carl Zeiss Apl NA 1.4 Phase Contrast condenser Here,up for auction, is a Carl Zeiss Apl NA 1.4 Phase Contrast condenser. This is a top quality used Zeiss condenser in good condition. The Apl NA 1.4 co

 

You're bidding on a Taylor Fishing Guide Barometer model # 2280F on the box in very, very good working order condition. Sale includes barometer, lower half of original box with model number imprinted

 

TOPCON FC-1 Data Collector Field Controller, Date of manufacture 1983, Very old collectible. Item Information: Net Weight: 750g Dimension: 20cm x 9cm x 5.5cm Excellent Condition, No Damage No Cracks I

 

 A nice vintage large ceramic phrenology head. Estate sale find of a science professor at the University of Kansas. The piece measures approximately 5" by right at 4" at the base and just over 12" hi

 

i000000 Vintage Cased 12" Slide Rule 'THE TECHNICAL STANDARD' Click Images to Enlarge You are bidding on a vintage Cased 12" Slide Rule, 'The Technical Standard' in good condition. Photos tell the sto

 

Miniature Tesla Coil / Oudin Resonator Powered from a 3500V 8mA transformer (12) 690 PF Doorknob Caps for .00828 mfd Antique Self-Cooled Tungsten Spark Gap 1" copper ribbon primary coil 3 5/8" diamete

 

This is the 21st Century Gold Pan. It is called "The Screw Pan." It is the only Concentrating wheel and Gold Pan combination in one. This pan also works in the desert----DRY. Very easy to operate. Hol

 

Theodolite- is a precision instrument for measuring angles in the horizontal and vertical planes. Theodolites are used mainly for surveying applications, and have been adapted for specialized purposes