Klinkerfues ready reckoner calculator for psychrometers, 1870-1876

Klinkerfues calculator (ready reckoner) for reducing

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Klinkerfues calculator (ready reckoner) for reducing
Science Museum Group
© The Board of Trustees of the Science Museum

Klinkerfues calculator (ready reckoner) for reducing psychrometer measurements, designed and patented by Prof. E. F. Klinkerfues, and made by Wilh. Lambrecht, Gottingen, Germany, 1870-1876

Details

Category:
Meteorology
Object Number:
1876-758
Materials:
wood (unidentified), cardboard, brass (copper, zinc alloy) and steel (metal)
Measurements:
overall: 14 mm x 145 mm x 185 mm, .12kg
type:
ready reckoner
credit:
Klinkerfues, Ernst Friedrich Wilhelm