25.0 MB (2.3 MB compressed)
2533 x 3449 pixels
21.3 x 29.2 cm ⏐ 8.4 x 11.5 in (300dpi)
NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY
Port Stephens, Australia, 18th-century map. This drowned valley estuary is 160 kilometres north-east of Sydney, Australia. The written note (top left) states that high water is at 10 o'clock, with a tidal range of 6-7 feet (around 2 metres), and a speed of 5 miles per hour (about 8 kilometres per hour). Recorded by a Port Jackson painter in the period 1791 to 1792, this map is drawing LS 4 from the Natural History Museum's Watling Collection.
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