Stansbury
Early style "torsion toggle" on a CTF Stansbury Press, ca. 1850's
Later style "torsion toggle" on press built by Isaac Adams ca. 1845
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Stansbury |
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| The idea for the "torsion toggle" mechanism was originally proposed by George Medhurst, (1759-1827) a iron founder and former clockmaker in London around 1816. |
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Early style "torsion toggle" on a CTF Stansbury Press, ca. 1850's |
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Later style "torsion toggle" on press built by Isaac Adams ca. 1845 |
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