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aerial-photography

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Journal Articles
Historical Studies in the Natural Sciences. 2018; 482180–222 doi: https://doi.org/10.1525/hsns.2018.48.2.180
Published: 01 April 2018
...Chunglin Kwa Between 1925 and 1980, landscape ecology underwent important changes through the gradual imposition of the view from above, through the uses of aerial photography. A new concept emerged, “the smallest unit of landscape,” also called ecotope and land unit, expressing a direct visual...
Journal Articles
Historical Studies in the Natural Sciences. 2018; 483380–389 doi: https://doi.org/10.1525/hsns.2018.48.3.380
Published: 01 June 2018
... smoothed into a single system. There were two dominant patterns of wartime aerial radio- navigation: one used railroad-like tracks to guide aircraft along fixed paths, while another emphasized the freer approach of oceanic navigation. Inte- grated navigationor guidance tools that could incorporate as...
Journal Articles
Journal Articles
Historical Studies in the Natural Sciences. 2000; 302309–313 doi: https://doi.org/10.2307/27757832
Published: 01 January 2000
... broad range of Civil War firsts?first used, or first used exten sively. Among these firsts were photography, telegraphy and various signal devices using flags and lamps, and aerial observation from fixed balloons, all the province of the newly formed Signal Corps. In "Storms, strikes, and surveillance...
Journal Articles
Historical Studies in the Natural Sciences. 1993; 232219–277 doi: https://doi.org/10.2307/27757699
Published: 01 January 1993
... spectrum photography," AJS, 6 (1873), 401–409, also in PM, 46, 417–425 CA. Young, "Note on the use of a diffraction grating as a substitute for the train of prism in a solar spectroscope," AJS, 5 (1873), 472–473, on 472: "the spectra furnished by these plates far exceed in brilli- ance and definition...