Terrestrial magnetism: the compass using the suspension has the gimbal to obtain the horizontality. Anonymous illustration from 1925. Private collection.(Terrestrial magnetism: the comppas using the suspension has the Gimbal to obtain the horizontalite. Anonymous illustration from 1925. Private collection.)Anonymous Anonymous |
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Undated · Engraving
· Picture ID: 925446
colour · colours · engraving · physical · magnetism · knowledge · instrument · 20 20th 20th xx xxth 20th century · bianchetticor · energy · energy · Private Collection / Bridgeman Images |
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