A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Measurement of sectional areas underground by photographic method; summary of method of area measurement investigated; description of apparatus and investigation carried out; two liquid differential manometer for measurement of pressure drops along underground roadways; description of two-liquid differential manometer and of differential gage designed. (See also - (discussion) v 173 n 4469 Aug 23 1946 p 265-6; Instn Min Engrs -- Trans v 105 Part 2 Aug 1946 p 631-50 (discussion) p 651-4)
Measurement of sectional areas underground by photographic method; summary of method of area measurement investigated; description of apparatus and investigation carried out; two liquid differential manometer for measurement of pressure drops along underground roadways; description of two-liquid differential manometer and of differential gage designed. (See also - (discussion) v 173 n 4469 Aug 23 1946 p 265-6; Instn Min Engrs -- Trans v 105 Part 2 Aug 1946 p 631-50 (discussion) p 651-4)
Ventilation surveying technique
Colliery Guardian
Potts, E.L.J. (author)
Colliery Guardian ; 172
1946
6 pages
Article (Journal)
English
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