| Title | Eccentric circles, rods and working gear, 1801, 1802, 1812, 1814, 1815, 1819, 1825, 1829, 1839, 1869, not dated |
| Description | Components and Parts of Land Engines. (24 items).
1391. Eccentric Circles, Rods and Working Gear. 1801, 1802, 1812, 1814, 1815, 1819, 1825, 1829, 1839, 1869, not dated. 24 items.
1800s:
Sketch of eccentric circle for the Salford Twist Co., Aug. 1801.
Eccentric circle for Wedgwood & Byerley, Dec. 1801.
Eccentric circle for 7 foot stroke engines - reverse drawing, May 1802.
Eccentric circle for Philips Wood & Lee, Jun. 1802.
Eccentric circle for Philips Wood & lee, Nov. 1802.
1810s:
Eccentric circles for engines with circular [4, 5, 6, 7 and 8 foot stroke engines] and slide valves [14 to 100 horse engines] - coloured reverse drawing, Nov. 1812 [copied from 1802 drawings].
Eccentric working gears for slide valve engines, 20 to 53 horses - coloured drawing, Dec. 1812.
Eccentric shaft etc. for 100 horse engines - press copy drawing, Feb. 1814.
Eccentric circle for 20 horse engine - sketch, Jun. 1815.
Eccentric rod etc. for 40 horse engines with 6 foot strokes - press copy sketch, Sep. 1819.
1820s:
Eccentric rod, disengaging gear etc. for 80 horse engines - partially coloured reverse drawing, Jan. 1825.
Eccentric rod etc. for new 20 horse engines - press copy sketch, Dec. 1825.
Small sketches of "First eccentric circles" and eccentric circles for "slide valve engines with square shafts", "modern land engines 1825" and "modern boat engines 1825". By William Creighton.
Sketch of eccentric circle and rod for new 80 horse engine with 7 foot stroke for Andrew & George Murray, Apr. 1829.
Eccentric rod, working gear etc. for new 80 horse engine for Andrew & George Murray - partially coloured drawing, Apr. 1829.
Working gear shaft, eccentric lever, disengaging apparatus etc. for new 80 horse engine for Andrew & George Murray - coloured reverse drawing, May 1829.
Sketch of working gear, eccentric lever etc. for Andrew & George Murray, May 1829.
1830s:
Old 14 horse eccentrics, not dated [late 1830s?].
New 14 horse eccentric, eccentrics for 38 horse boat engines, new 20 horse eccentric, old and new 30 horse eccentric, new 40 horse eccentric, not dated [late 1830s?].
Eccentric working gear etc. for "14 horse engine improved" - coloured drawing, Mar. 1839.
1869:
Eccentric for working shears for Pearson & Berthon - partially coloured drawing, Nov. 1869.
Memoranda [drafts for instructions to enginemen?]:
Memorandum "To examine if the excentric circle is in its proper place; and if the excentric rod is of a right length", not dated. [In John Southern's hand.]
Memorandum "To adjust the place of the Excentric Circle, & the length of the Excentric Rod", not dated. 3 sheets.
Memorandum "To adjust the place of the Excentric Circle, & the length of the Excentric Rod" [ different version of the above], not dated.
Memorandum "Method of Setting Eccentrics & Slide Valves," not dated. |