File:Dasymeter - Baroscope 001.png

Summary
Dasymeter or Baroscope - 1. a device to demonstrate the buoyant effect of gases like air; 2. an instrument which allows weighing acts as a densimeter used to measure the density of gases.

Source: Bibliothek allgemeinen und praktischen Wissens für Militäranwärter Band III, 1905 / Deutsches Verlaghaus Bong & Co Berlin * Leipzig * Wien * Stuttgart

Author: Scan made by Kogo Permission: Public Domain, because copyright expired - This image (or other media file) is in the public domain because its copyright has expired. This applies to Australia, the European Union and those countries with a copyright term of life of the author plus 70 years.