Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Direct Reading humidity meter
Illustrated description of instrument introduced by Elliott Brothers for indication, recording, or regulation of relative humidity; three electric thermometers employed in conjunction with special cross coil indicating movement, and two interconnected Wheatstone bridges. (see also Engineering v 147 n 3832 June 23 1939 p 759-60; French abstract in Genie Civil v 115 n 2973 Aug 5 1939 p 127)
Direct Reading humidity meter
Illustrated description of instrument introduced by Elliott Brothers for indication, recording, or regulation of relative humidity; three electric thermometers employed in conjunction with special cross coil indicating movement, and two interconnected Wheatstone bridges. (see also Engineering v 147 n 3832 June 23 1939 p 759-60; French abstract in Genie Civil v 115 n 2973 Aug 5 1939 p 127)
Engineering Index Backfile | 1939
Engineering Index Backfile | 1939
Direct Reading impedance meter
| Engineering Index Backfile | 1949
Meter X: Portable direct-Reading X-ray intensity meter
| Engineering Index Backfile | 1941
Wiley | 1957