Geerts a t c (1 risultati)

[Yokohama 1879, Lane]. New wrs., very good, extracted from TASJ vol.vii, pp 211-224 & 309-310, small foldout chart of registered waters, 2 large color folding maps of Yokohama. R A R E A very obscure study of the water, water quality and water supply of Yokohama.Covers a short history of drinking water, standard & limits of purity of drinking water. Table: gen- eral review of results obtained in the three districts of Yokohama. Tamagawa water & its aqueduct. Model of register used. Two maps showing the quality of the wells in Yokohama and the number of deaths from Choleriac disease in Yokohama. Together with: R. W. Atkinson: ANALYSES OF SURFACE WATERS IN TOKIO, essentially a 2 page chart with locations, wells, depth, solids, chlorine, ammonia, nitrogen, total minerals, sewage contaminations, calcium salts in statistical form, the verso shows the chemical make-up of Yumoto thermal spri- ng.…