A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Brightness meter for luminous preparations
Small portable brightness meter built on principle described by B. H. CRAWFORD, in article indexed from J Sci Instruments Jan 1934; instrument measures brightness from 2 to 75 u-L, using milliammeter with full-scale reading of 10 ma; operated from two dry cells, apparatus is entirely self-contained. (Rp 702)
Brightness meter for luminous preparations
Small portable brightness meter built on principle described by B. H. CRAWFORD, in article indexed from J Sci Instruments Jan 1934; instrument measures brightness from 2 to 75 u-L, using milliammeter with full-scale reading of 10 ma; operated from two dry cells, apparatus is entirely self-contained. (Rp 702)
Brightness meter for luminous preparations
U S Bur Standards -- J Research
Curtiss, L.F. (author)
1934
3 pages
Article (Journal)
English
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