† scoggann.

Forms: Also 1700s scoggen.

Etymology: Of obscure origin; as it was a quasi-personal name, it may have been an application of scoggin n.Commonly alleged to be from a dialect verb scog, to idle, loiter; but no such sense of the verb is known to exist. Desaguliers, the sole authority for the ‘Humphrey Potter’ story, does not say that the boy invented ‘Scoggan’ to save himself labour; he merely substituted one automatic contrivance for another less efficient. But the truth of the whole story has been questioned: see Dict. National Biogr. s.v. Newcomen.

Mechanics. Obsolete.

An automatic contrivance for opening valves in Newcomen's steam engine c1713. (See quot. 1744.)

ΘΚΠ

society > occupation and work > equipment > machine > machines which impart power > engine > steam engine > [noun] > parts of > valves > devices for opening or closing

scoggan1719

plug-frame1734

spanner1773

plug-tree1782

plug-rod1794

throttle lever1839

1719 Plate repr. Newcomen's engine in Dict. National Biogr. at Newcomen Scoggen and his mate that do more work than the boy [? = buoy].

1744 J. T. Desaguliers Course Exper. Philos. II. 533 They used before to work with a Buoy in the Cylinder.., which Buoy rose when the Steam was strong, and open'd the Injection,..thereby they were capable of only giving six, eight, or ten Strokes in a Minute, 'till a boy, Humphry Potter, who attended the Engine, added (what he call'd Scoggan) a Catch that the beam Q always open'd: and then it would go 15 or 16 Strokes in a Minute.

This entry has not yet been fully updated (first published 1910; most recently modified version published online December 2020).

单词	scoggan
释义	† scoggann. Forms: Also 1700s scoggen. Etymology: Of obscure origin; as it was a quasi-personal name, it may have been an application of scoggin n.Commonly alleged to be from a dialect verb scog, to idle, loiter; but no such sense of the verb is known to exist. Desaguliers, the sole authority for the ‘Humphrey Potter’ story, does not say that the boy invented ‘Scoggan’ to save himself labour; he merely substituted one automatic contrivance for another less efficient. But the truth of the whole story has been questioned: see Dict. National Biogr. s.v. Newcomen. Mechanics. Obsolete. An automatic contrivance for opening valves in Newcomen's steam engine c1713. (See quot. 1744.) ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > engine > steam engine > [noun] > parts of > valves > devices for opening or closing scoggan1719 plug-frame1734 spanner1773 plug-tree1782 plug-rod1794 throttle lever1839 1719 Plate repr. Newcomen's engine in Dict. National Biogr. at Newcomen Scoggen and his mate that do more work than the boy [? = buoy]. 1744 J. T. Desaguliers Course Exper. Philos. II. 533 They used before to work with a Buoy in the Cylinder.., which Buoy rose when the Steam was strong, and open'd the Injection,..thereby they were capable of only giving six, eight, or ten Strokes in a Minute, 'till a boy, Humphry Potter, who attended the Engine, added (what he call'd Scoggan) a Catch that the beam Q always open'd: and then it would go 15 or 16 Strokes in a Minute. This entry has not yet been fully updated (first published 1910; most recently modified version published online December 2020). < n.1719
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