00000nam 2200000zi 4500 9.952710 CaOODSP 20250625151726 m o d f cr bn||||||||| 250625e19580310oncad ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn--- En57-56/265-1958E-PDF MacHattie, Leslie B., author. Accuracy of the hair hygrograph / by L.B. MacHattie. [Toronto] : Meteorological Branch - Department of Transport - Canada, 10 Mar 58. 1 online resource (9 pages, 2 unnumbered pages) : illustrations, graphs. text txt rdacontent computer c rdamedia online resource cr rdacarrier TEC ; 265 Caption title. Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (pages 8-9). "Relative humidity is a critical parameter wherever adsorption of water vapour is important, for instance in rating forest fire danger, in seasoning lumbor or in processing textiles. It is a generally popular parameter in the sphere of public weather. The hair hygrograph is an attractive instrument for recording relative humidity because of its simplicity of operation and independence of electric power"--Introduction, page [1]. Hygrometry. Moisture meters Canada. Hygrométrie. Humidimètres Canada. Canada. Meteorological Branch, issuing body. TEC ; 265. (CaOODSP)9.934253 PDF 506 KB https://publications.gc.ca/collections/collection_2025/eccc/en57/En57-56-265-1958-eng.pdf 672572426 CIR 3022