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Showing 496 to 510 of 519 results
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Peter Martinez and Matie Hoffmann, Sutherland
Peter Martinez and Matie Hoffmann at the 40-inch (1-m) telescope at SAAO, Sutherland. The Peoples' Photometer (set up with two…
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Dots and haze on a black background
White dots and a banded hazy region with black markings, on a black background. Of unknown significance. n/a. Extent: 1 photograph. Condition of…
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Graph of unknown significance
Plot of pen deflection vs. [interference] fringe number. May be the result of an optical test, a measurement made with the coelostat, or something…
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Graph of unknown significance
Plot of pen deflection vs. [interference] fringe number. May be the result of an optical test, a measurement made with the coelostat, or something…
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Fringes at solar limb
Presumably from observations made with the Boyden 20-cm coelostat. n/a. Extent: 1 photograph. Condition of original material: Stable. Author(s)/…
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Fringes at solar limb
Presumably from observations made with the Boyden 20-cm coelostat. n/a. Extent: 1 photograph. Condition of original material: Stable. Author(s)/…
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Fringes at solar limb
Presumably from observations made with the Boyden 20-cm coelostat. n/a. Extent: 1 photograph. Condition of original material: Stable. Author(s)/…
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Fringes at solar limb
Presumably from observations made with the Boyden 20-cm coelostat. n/a. Extent: 1 photograph. Condition of original material: Stable. Author(s)/…
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Fringes at solar limb
Presumably from observations made with the Boyden 20-cm coelostat. n/a. Extent: 1 photograph. Condition of original material: Stable. Author(s)/…
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Fringes at solar limb
Presumably from observations made with the Boyden 20-cm coelostat. n/a. Extent: 1 photograph. Condition of original material: Stable. Author(s)/…
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Fringes at solar limb
Presumably from observations made with the Boyden 20-cm coelostat. n/a. Extent: 1 photograph. Condition of original material: Stable. Author(s)/…
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Fringes at solar limb
Presumably from observations made with the Boyden 20-cm coelostat. n/a. Extent: 1 photograph. Condition of original material: Stable. Author(s)/…
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Fringes at solar limb
Presumably from observations made with the Boyden 20-cm coelostat. n/a. Extent: 1 photograph. Condition of original material: Stable. Author(s)/…
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Fringes at solar limb
Has several numbers written on the print. Presumably from observations made with the Boyden 20-cm coelostat. n/a. Extent: 1 photograph. Condition…
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Fringes at solar limb
Presumably from observations made with the Boyden 20-cm coelostat. n/a. Extent: 1 photograph. Condition of original material: Stable. Author(s)/…