Heliotrope

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An instrument used in geography to measure angles of the sun at different times of the day.

Keywords

sun angles, heliotrope, angle tool, geography instrument, measure angles, shadow of nail

Galleries

Astronomy

Source

Charles R. Dryer Lessons in Physical Geography (New York, NY: American Book Company, 1901)

Downloads

TIFF (full resolution)

2400×2059, 254.9 KiB

Large GIF

1024×878, 41.4 KiB

Medium GIF

640×549, 22.7 KiB

Small GIF

320×274, 9.6 KiB