RARE Vintage Russian anemometer in original box ( with passport ) made in 1953y Measures (box) : 8'' x 4'' x 3,3'' Weight : 0,5 kg

 

American Optical Optometry Ophthalmology Giantscope Electra II Case Mod 12014  Does not light. Power supply OK. Sold for parts or repair. See photos for details and feel free to ask me any questions

 

Offered is a vintage Eagle Turquoise PRESTOMATIC Lead Holder Pencil #3377. Original box and instructions and a partial sleeve containing 5 unused 2H Eagle Turquoise drawing leads. Great vintage drafti

 

Vintage K & E Keuffel & Esser Stadia Slide Rule 4161-3 Original Case Mannheim This is a K&E Keuffel & Esser Stadia Slide Rule 4161-3 Original Slide Rule. It has the original case, manu

 

Hello:) up for auction is the super clean and lightly used CURTA Type II calculator. I'm not exaggerating when I say super clean. This unit is in fantastic condition with no visible signs of wear. It'

 

THIS IS A PAIR OF (MINT CONDITION) IN THEIR ORIGINAL SNAP CASE (AMERICAN OPTICAL) SURE GUARD (CLIP ONS) WITH A SPLIT COLOR COBALT TO CLEAR LENS. THESE STILL RETAINS THEIR ORIGINAL TAG. THE TOP SPRING

 

Sodium perborate is a white, granular solid which decomposes in an aqueous solution to hydrogen peroxide and sodium borate. Active oxygen content 10%. Melting point is 63 degrees Celsius. It's used in

 

iGaging Digital Compass + Divider 0-8" Digital Compass + 0-16" Digital Divider Item#35-CD28 · Precision Drawing & Marking Instrument· Large LCD, Reading in : Inch, Inch Fraction and Metric · Al

 

I found this deep in a box in my garage. I don't remember where I got it, but here it is in beautiful shape.

 

Solid, traditional compasses, for pencil, by Helix. Fully functional, light tarnish.