hown at w, w. It will be noticed thatthese sliding contacts are made hollow by drilling into them, intwo directions, from the top. In this manner, a mercury holderis produced that is open only at the top. *8a Since the mercurycolumn surrounding the wire, w, w, is 10 to 12 mm long and atleast 1.5 mm… … Fig. 13.—Support for bolometer strips. 48aThe writer is indebted to Mr. Harring, of the instrument division, for his in-genuity in fulfilling this condition. Cobleniz.] Instruments and Methods of Radiometry 443 TOP VIEW
Measurements and use of instruments · Thermometry, pyrometry and calorimetry · Heat flow, thermal and thermodynamic processes
Internet Archive · NIST Research Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from One thousand processes in manufactures and experiments in chemistry / [Colin Mackenzie]. (1825)](https://img.insideoutlibrary.com/img/200/wellcome-wellcome_b29307867-176-1.webp)
