Skinner

Auctioneers and Appraisers

Cased Brass and Steel Paraboloid Condenser

Auction:
2555M
Lot:
120
Unsold
 

social_share

Inquire

Tabs

About

Auction:
Clocks, Watches & Scientific Instruments - 2555M
Location:
Marlborough
Date / Time :
July 16, 2011 10:00AM

Description:

Cased Brass and Steel Paraboloid Condenser, Carl Zeiss, early 20th century, of typical form with brass eyepiece and steel body, box contains steel plate with two apertures marked 1.0 and 1.1, ht. 1 1/8, lg. of plate 2 3/8 in.
Estimate $150-250

Keywords

steel body, steel plate, Brass instrument, Carl Zeiss, Chemical engineering, Energy conversion, Steam power, Surface condenser