Nasa. RARE. Composite photograph of a lightning strike on th - Lot 11

Lot 11
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Estimation :
400 - 600 EUR
Nasa. RARE. Composite photograph of a lightning strike on th - Lot 11
Nasa. RARE. Composite photograph of a lightning strike on the top of the Empire State Building in New York. The photograph was taken by Mac Eachron. In the center, the photograph obtained from a fixed film and an open lens during the whole duration of the lightning. On the periphery, the images of the successive discharges recorded on a film rotating at high speed (60 to 100 rpm) in the focal plane of the camera around the optical axis of the lens. The shining circles correspond to the traces of the image of the neighbouring street illuminated by the lightning, which were also inscribed on the rotating film. Circa 1940. vintage silver print. Legend in the fold on the front. 15,2 x 13,2CM with margins -Image : 13,7 x 11cm-. NASA. RARE. Composite photography of a flash that struck the top of the Empire State Building in New York. The photograph was made by Mac Eachron. In the center, the photograph obtained from a fixed film and an open lens for the duration of the flash. On the periphery, the images of the successive discharges recorded on a high-speed rotating film (60 to 100 t / mn) in the focal plane of the apparatus around the optical axis of the lens. The shiny circles correpsond in the footsteps of the image of the neighboring street illuminated by the lightning, which have come to register also on the turning film. CIRCA 1940: Argentic period. Legend in the Prouce on the front. 15.2 x 13.2cm with margins - picture: 13.7 x 11cm-.
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