Encyclopædia Britannica 1771–1860
Topic · 2 of 8 editions · peak 129 chars

SWING-Wheel

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4th ed. (1810)SWING-Wheelsub_entry129vol. 20, p. 168
5th ed. (1815)SWING-Wheelsub_entry129vol. 20, p. 168reprint · J 1.00