Beams (levers), circa 1776—1833, not dated.

Components and Parts of Land Engines. (36 items).

1378. Beams (Levers). Circa 1776-1833, not dated. 36 items.

1770s / 1780s:
"Sketch representing the great beam or principal and middle leaver of the fire engine constructed in the years 1775 and 1776 at Rotterdam."

"New beam at Lord Middleton's colliery, Wollaton, intended to work a 54 inch cylinder atmosph., 7/ [stroke]," not dated.

Plan of a beam for a pumping engine, 1783 [?] [the drawing is marked "1783" and "Port. 55" in pencil, but it does not belong to Portfolio 55 in Henry Hazleton's scheme, nor does it appear to belong to original portfolio 55, the Wanlockhead engine of 1785].

Design for a beam, Apr. 1787.

Unmarked plan of a beam, not dated [1780s?].

1790s:
Design for a wooden beam made from a single piece, not dated [1790s?].

Iron beam end "Proposed for Mr. Homfray" [Penydarren Iron Works], 1798.

1800s:
Beams designed by Bateman & Sherratt for Peter Marsland and by Fenton Murray & Wood for Mr. Rupp, not dated [1800s].

Iron beam "proposed for Mr. Lee" [Salford Twist Co.] - reverse drawing, Sep. 1800.

Iron beam and top of the connecting rod for P. Benfield [engine transferred to Taylor Weston & Co.] - partially coloured drawing, Dec. 1800.

Beam ends for P. Benfield [engine transferred to Taylor Weston & Co.], Dec. 1800.

Reverse of the above drawing, Dec. 1800, with alterations of iron beams for 10, 12 and 14 horse engines Nov. 1804 on the back.

Iron beam for Homfray [Tredegar Iron Works], Jan. 1801.

Iron beam for the Salford Twist Co., Jan. 1801.

Iron beam for 28 and 32 horse engines - original and reverse drawings, May 1801.

Sketch of iron beam for 20 horse engines showing places for hot and cold water pumps, Apr. 1802.

"Proposed stablizing [?] beam for Gilbert Meason", Mar. 1803.

Iron beam for the Fazeley St. Co. engine, May 1803.

Iron beam for Plasmostyn Colliery - partially coloured drawing, Oct. 1803.

Iron beam, gudgeons and plummer blocks for 10 horse engine - partially coloured reverse drawing, Mar. 1807.

Iron main lever for 40, 45 and 50 horse engines - partially coloured drawing, 1809 [marked "Feb. 1810 from casting].

1810s:
Sketch of part of beam, gudgeons etc. for 40 and 45 horse engines and 53 horse engine UU [Monteith Bogle & Co.], not dated [circa 1810].

Iron main lever for 16 to 20 horse engines with 5 foot strokes - partially coloured drawing, Jan. 1812 [marked "from casting"].

Small sketch of beam for 66 inch engine YB [Alexander Lang], not dated [circa 1816].

Sketches of iron beams for various powers and sizes of engines, 1818.

1820s:
Main lever, gudgeon and plummer blocks etc. for 30 horse engine with 5 foot stroke - coloured reverse drawing, Jan. 1823 [also used for Messrs. Stanton, Apr. 1839].

Main lever, gudgeon and plummer blocks etc. for 80 horse engine - coloured reverse drawing, Oct. 1823 [also used for "Bristol 80s", 1838].

Sketch of part of main lever for 80 horse engines, Nov. 1823.

Main lever for 40 horse engines with 6 foot strokes - coloured drawing, Oct. 1824 [with sketch of gudgeons for engine YU, Bombay Mint, Sep. 1860 attached].

Main lever for 40 horse engines with 6 foot strokes - coloured original and coloured reverse drawings, Oct. 1824 [these drawings have details for the 1860 Bombay Mint engine YU added].

1830s:
Main lever for 50 horse engines with 6 foot strokes - coloured reverse drawing, Aug. 1833.

Undated:
2 small sketches of iron beams.

Design for framework beam [?].