| Title | Governors, 1788, 1790—1792, 1802, 1805, 1807, 1809, 1811—1814, 1823, 1824, 1832, 1841, 1856, not dated |
| Description | Components and Parts of Land Engines. (32 items).
1390. Governors. 1788, 1790-1792, 1802, 1805, 1807, 1809, 1811-1814, 1823, 1824, 1832, 1841, 1856, not dated. 32 items.
1788:
"Centrifugal speed regulator" - drawing by John Southern, Nov. 1788.
1790s:
Governor, Sep. 1790.
Governor for engine BWS [Don Fernando de Torres] - reverse drawing, Feb. 1791.
Plan and elevation of the governor for engine BWS [Don Fernando de Torres] - reverse drawing, Jun. 1792.
1800s:
Governor for corn mill stones - direct copy and reverse drawings, Nov. 1802 [the original of this drawing was given to J. D. H. van Liender].
Sketch elevation and plan of the governor for the Soho rolling mill [Matthew Boulton], Dec. 1805.
Supports and wheels for governors for 20 horse engines - reverse drawing, Nov. 1807.
Governor and apparatus for 8 and 10 horse engines - coloured reverse drawing, May 1809.
Governor and support for 50 horse engines - reverse drawing, Dec. 1809.
1810s:
Governor for 24 to 36 horse engines - partially coloured drawing, Mar. 1811.
Governor for 40 to 53 horse engines - partially coloured reverse drawing, Mar. 1811.
Governor for 14 to 20 horse engines - partially coloured reverse drawing, Mar. 1811.
Parts of governor gearing for various powers of engine - partially coloured original and reverse drawings, Mar. 1811.
Governors etc. for 14 to 20, 24 to 36 and 40 to 53 horse engines - partially coloured drawing, Dec. 1812.
Governor and gearing for 6 horse engines - partially coloured reverse drawing, Sep. 1813 [copy made in Sep. 1827].
Governor and frame for 100 horse engines - reverse drawing, May 1814.
[Used for the Plate Glass Co., 1838.]
1820s:
Part of governor work for 20 horse engine - press copy sketch, Mar. 1823.
"Mr. Ewart's governor gearing as executed" - drawing by James Fairweather, Jul. 1824.
Views of the governor and its gearing for 80 horse engines - partially coloured drawing, Dec. 1824.
Parts of the governor gearing etc. for 80 horse engines - partially coloured reverse drawing, Dec. 1824.
1832:
Governor and gearing for 20 horse independent engines - partially coloured reverse drawing, Mar. 1832.
1841:
Governor, gearing and throttle valve gearing for 40 horse engine, Andrew & George Murray - partially coloured reverse drawing, Mar. 1841.
1856:
Details of governor and throttle valve gearing for 10 horse independent engines - partially coloured drawing, Oct. 1856.
Not dated:
Small sketch of a governor.
Sketch of a governor and throttle valve connection.
Sketch scheme for governor for 80 horse engines.
Governor and gearing etc. - partially coloured drawing, incomplete [?].
Tracing of the drawing of the "centrifugal speed regulator" drawing of Nov. 1788.
Tracing of the drawing of a governor of Sep. 1790.
Tracing of the drawing of a governor etc. of 20 horse engines of Dec. 1812.
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