James Watt & Co. Drawings: Unused drawings and drawings of countermanded engines

Chacewater Mine, Cornwall:
Outline ground plan of the engine house, not dated.
[Drawing not used.]

Samuel Walker / Walkers & Ley, Chester (14 horse sun & planet engine):
Front view of the mill work in the line of the first shaft - coloured drawing, 1785. [Drawing not used.]

BWG No. 2, Cadiz, Spain (34 inch engine, formerly at Albion Mill):
Front view of the engine and longitudinal section of the boilers - coloured drawing, Jun. 1793.
[Drawing not used.]

William Tate, London (52 horse sun & planet engine):
Plan taken above the cylinder and boiler tops - coloured drawing, Mar. 1794
[Drawing not used.]

Mr. Tschoffen (20 horse sun & planet engine):
General view of the engine - coloured drawing, Jul. 1796.
[Engine transferred to Sir John Eamer.]

Mrs. George, Oldham (8 horse engine):
Longitudinal section of the engine house, general view of the framing and cross-section and edge view of the fly framing - coloured drawing marked on the back "Mrs. George that was to be", Dec. 1800.
Different views of the cistern and ground plan of the engine house, framing and boiler - coloured drawing, Dec. 1800.
Cross-section of the boiler seating and front view of the cylinder framing and longitudinal section of the boiler - coloured drawing, Dec. 1800.
[The engine, coded G, was transferred to the London Dock Co. in 1801 before it had been completed.]

Miss Coats Co., callendering mill (crank engine);
Section of the engine and boilers showing connection to the mill - coloured drawing, not dated.

Plan of the engine and boilers showing connection to the mill - coloured drawing, not dated.
[Engine not ordered. These drawings do not have letter codes, and were probably made by one of Boulton Watt & Co.'s engine erectors.]

The Duke of Bedford, Woburn Park Farm (8 horse engine):
Plans and elevations of mill buildings at Woburn Park Farm, not dated [circa 1801].

Notes, calculations, sketches etc. by Matthew Boulton docketed "Agricultural Machines to be worked by an 8 horse engine at the Duke of Bedford's," not dated [circa 1801].
[Includes a list of the agricultural processes to which "Boulton & Watt's engines are applicable".]
[This engine, coded DB, was ordered for the Duke of Bedford in Aug. 1801 - see Engine Order Book No. 4.]

Duke of York (6 horse engine):
Plan showing location of engine, threshing barns, mills etc. - direct copy drawing, Nov. 1801.

Section of engine house and threshing barns and plan of the engine and boiler houses, mills, barns etc. - reverse drawing, 1801.

Plan of the engine and boiler houses, wheels and shafts, threshing barn, mill, barns etc. - reverse drawing, Dec. 1801.

Section of the engine house, mill, threshing barn etc. - reverse drawing, Dec. 1801.
[This engine, coded O, was ordered in Dec. 1801. It was originally planned to be an 8 horse, but in Feb. 1802 the order was changed to a 6 horse engine. The order was countermanded, and Engine Order Book No. 4 describes this as a "waster order".]

Barrow Lees & Co. (6 horse bell crank engine):
Sections and plan of the engine house, boiler etc. - coloured drawing, Aug. 1802
[Drawing not used for Barrow Lees & Co.]

30 horse crank engine:
General view of a 30 horse engine and boiler, Nov. 1802.
[Draft drawing? Bears some pencil alterations.]

Wilkinson Burton & Co., Plasmostyn Colliery (36 inch pumping engine):
Plan of the engine house, boilers etc. and cross-section of the engine house - partially coloured drawing, Jun. 1803.
Plan of the spring beams and outside view of the lever wall - partially coloured drawing, Jun. 1803.
Longitudinal section of the engine and boiler houses - coloured drawing, Jun. 1803.
[Drawings not used.]

J. Bury, Manchester (20 horse crank engine):
Sections of the engine house and plan of the engine and boiler houses - coloured drawing, May 1804.
Longitudinal section of boiler and cross-section of the engine house and boilers - coloured drawing, May 1804.
[Drawings not used.]

Mr. Barns (bell crank engine):
Side view of the engine showing blowing cylinder and regulator and plan of the engine showing grind stone, regulator and boiler - coloured drawing marked "not used", Aug. 1805.
[Engine never ordered - William Creighton noted in the Drawings Day Book "This engine turned out no order, they got one of [Matthew] Murray's, W.C. 1811."]

R. Crawshay, Cyfarthfa (engine house for blowing engine):
Plan and cross-section of the engine house - partially coloured drawing marked "not used", Mar. 1806.
Longitudinal section of the engine house and view of the lever wall - partially coloured drawing, Mar. 1806.
[Engine not ordered.]

William G. Harvey, Battle (14 horse crank engine):
Plan of the engine and boilers and sketch of the shafts between the water wheel and engine - partially coloured drawing, Jul. 1806.
Longitudinal section of the engine house and cross-section at the fly wheel end of the house - partially coloured drawing, Jul. 1806.
Cross-section of the engine house and boiler, and framing built in the wall next the boiler house for supporting the shafts - partially coloured drawing, Jul. 1806.
[Drawings not used.]

Thomas Smith, Old Lane Mill, near Halifax (engine house):
Plan of the engine house - reverse drawing, Apr. 1807.
Longitudinal and cross-sections of the engine house - reverse drawing, Apr. 1807.
Cross-section of the engine house and sections of the boiler - reverse drawing, Apr. 1807.
[Engine not ordered.]

James Amos & Co. for Mr. Söbötker, St. Croix (10 horse independent engine):
Drawing of the pump work, 1813 (the drawing has been crossed out, part of it has been torn away and it hs been mis-dated as 1818).
[Drawing not used.]

Crank engine:
Section and plan of pumps, condenser, cistern etc. for a crank engine with a 6 foot stroke - coloured drawing marked "Approved of 20 Mar. 1815 by Mr. Watt, Mr. Murdock and Mr. Southern and never used."

Charles Gwinn & Co., Baltimore, USA (30 horse boiler):
Sections and plan of the boiler - reverse drawing, Apr. 1819.
[Drawing not used.]

Guadalquivir Navigation, Spain (10 horse independent engine):
Sketch of proposed arrangement of engine and pumps, Jan. 1820.
Side view of the engine and plan of the engine and boiler - reverse drawing, Jan. 1816.
Cross-section of the engine house and boiler and longitudinal section of the boiler - reverse drawing, Jan. 1816.
General sketch of the engine and pump machinery - coloured original and reverse drawings, Jan. 1816.
[Engine countermanded - the Drawings Day Book notes that these drawings were "no use Eng. being count'd-d".]

Messrs. Pooley, Manchester (10 horse independent engine):
Longitudinal section and plan of the engine house and engine - coloured reverse drawing, Feb. 1823.
[Engine not ordered.]

Elmslie & Simpson (independent engine with 20 inch cylinder, 3 foot stroke):
Plan of the proposed engine and boiler houses, Sep. 1850.
[Engine not ordered.]

? (blowing engine and furnaces).
Sections and plans of arrangement of blowing engine, air vessels, pipes etc., not dated [dimensions and captions partly in French - unclear which engine this is].

? (saw mill):
Drawing of a saw frame, not dated.
[Drawing not used.]

?
Front view of an engine house and tilt hammer, not dated.
[Drawing not used.]

?
Rough sketch of front view of engine framing showing connection to a horse wheel (with cartoon horse), not dated.
[Drawing not used.]

The drawings in this portfolio were never used. They were either replaced by new drawings, or they depict engines that were never ordered or countermanded before they were made.