Questar Advertisements

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Solar Granulation from Sea Level

First advertisement specifically tailored to highlight Questar’s usefulness for solar observing.

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Questar advertisement, <em>Sky and Telescope</em>, August 1958 — Questar advertisement, Sky and Telescope, August 1958. Questar Corporation

Sky and Telescope, August 1958, 532.
Sky and Telescope, September 1958, 591.