Turner, Ralph Schroeter's Valley, finished illustration
TURNER, RALPH. B.1935.
Shaded contour diagram of Schröter's Valley, probably Tucson, AZ, 1974, ink and white gouache on gray acetate, coordinates and several topographical features labeled, inscribed "Measurements from Relief model _ R. Turner, 1974" at foot, 550 x 1170 mm, matted, framed.

A striking image of this lunar feature, showing Turner's calligraphic skill, which he first developed at college. He has written, "the calligraphy experience lies behind several other things that I got involved with such as the Relief Contour method of expressing topography" (rockcreekexperiment.com).
Estimate:
US$ 2,000 - 3,000
£1,300 - 2,000
€1,600 - 2,300

Category: Space / Space History


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Cassandra Hatton Bonhams
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Specialist - Space History