København, Wivel, 1950. Lille 8vo. Orig. bogtrykt omslag. helt frisk eksemplar.
Reference : 33373
Originaludgaven.
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(Kjöbenhavn, Bianco Luno, 1850). 4to. In a nice recent blue half calf binding. In ""Det Kongelige Danske Videnskabernes Selskabs Skrifter, 5te række, 2det bind"". With a few brownspots, otherwise a nice copy. (3), 94-119 pp. + 1 folded handcoloured maps.
First edition of Forchhammer’s important work in which he outlines methods to measure organic content in water and examines changes in water supplies feeding Copenhagen’s reservoirs. He collaborated with engineers to assess raw water quality, which later influenced decisions on artesian well drilling to improve Copenhagen’s drinking-water supply. Forchhammer was a geologist, chemist and professor (1794–1865), noted for foundational work in marine chemistry and hydrography.
Kjøbenhavn, Seidelin, 1808. 4to. Bound in recent marbled paper covered boards with leather title-label to front board. With light occassional brownspotting throughout. (2), 23 pp.
The rare first appearance of Schumacher's work on botanical medicines, which either grow wild or could be cultivated in Denmark, sorted by season of harvest.Heinrich Christian Friedrich Schumacher (1757 - 1830) was a Danish surgeon, botanist and professor of anatomy at the University of Copenhagen. Schumacher made significant research work in malacology and described several taxa.