| Description | Components and Parts of Land Engines. (131 items).
1376. Air Pumps and Condensers. 1770s/1780s-1850s, not dated. 131 items.
1770s / 1780s:
Sections and plans of condenser, connecting box, piston etc. - partially shaded drawing, not dated [1770s/1780s - the drawing has been crossed out].
Sections and plans of air pump bucket, connecting box, air pump and eduction pipe feet etc. - partially coloured reverse drawing, not dated [early 1780s, showing a 22¾ inch cylinder].
9 inch condenser vessel, not dated [1780s].
Condenser for Henry Coates & Co., Jun. 1784.
Small sketch plan of Gyfford & Co.'s condenser, not dated [circa 1787-1788].
Condensing vessel for the Union Co., Oxford, Jan. 1789 [also marked "13 16"].
Condensing vessel and foot valve for the Birmingham Canal Co. "little engines", Apr. 1789.
Condensing vessel and water trap etc. for engine BWM [Don Pasqual Mensa y March], Apr. 1789.
1790s:
Condenser vessel for Johnson & Gould, Sep. 1790 [also marked "17 20"].
Air pump for Bradley - partially coloured reverse drawing, Mar. 1791 [also marked "9 12"].
Condenser and air pump, Mar. 1791 [according to the Drawings Day Book this drawing was "for ourselves" and shows a 16 inch cylinder].
Condenser for 36 to 40 horse engines - original and reverse drawings, Feb. 1792.
Condenser for the Birmingham Canal Co. and Gloucester & Berkeley "boat engines", Nov. 1793.
Plan of condenser and air pump etc. for William Tate, Feb. 1794.
Air pump for "64" - partially coloured reverse drawing, Jun. 1795.
Condenser vessel for Bott Birch & Co. - original and press copy drawings, Jun. 1795 [also marked "21 25"].
Air pump "3461" - reverse drawing, Jul. 1795.
Air pump for "BW" - reverse drawing, Aug. 1795.
Air pump for the Kennet & Avon Canal Co., Oct. 1795.
Air pump for 50 horse engines [?] - partially coloured drawing, Apr. 1796.
Air pump for 14 and 16 horse engines - partially coloured drawing, Apr. 1796.
Air pump for 5 to 8 horse engines - partially coloured drawing, Apr. 1796.
Air pump for 10 and 12 horse engines - partially coloured drawing, Apr. 1796.
Air pump for 21 to 25 horse engines - partially coloured drawing, May 1796 [ later altered to 22 to 26 horses].
Air pump for 26 to 30 horse engines - partially coloured drawing, May 1796 [ later altered to 28 to 32 horse].
Air pump for 35 to 40 horse engines - partially coloured drawing, May 1796.
Air pump and condenser for 5 to 8 horse engines, May 1796.
Sketches of condensers of various powers of engine showing the angles of the pipes - reverse drawing, Jun. 1796.
Condensers for 6, 8, 10 and 12 horse engines - partially coloured drawing, Jun. 1796.
Condensers for 14, 16, 18 and 20 horse engines - partially coloured drawing, Jun. 1796.
Air pumps and condensers for 18 and 20 horse engines - partially coloured reverse drawing, Jun. 1796.
Condensers for 22 and 26 horse engines - partially coloured drawing, Jun. 1796.
Condenser for 35 and 40 horse engines - partially coloured drawing, Jun. 1796.
Condenser for 50 horse engines - partially coloured drawing, Jun. 1796.
Condenser for 45 horse engines - partially coloured drawing, Jun. 1796.
Air pump and condenser for 3 to 5 horse engines - partially coloured drawing, Mar. 1797 [later altered to 4 horse engines].
Condenser for Hebburn Colliery - partially coloured drawing, Sep. 1797.
Air pump for 6 horse engines - partially coloured drawing, Jan. 1798.
Plan of the air pump and condenser for Homfray & Co.'s 45 horse engine, Feb. 1798.
Sketch of the situation of the condenser for the 8 horse engine, Mar. 1798.
Condenser for W. H. Lambton Esq.'s Executors [Burnmoor Colliery], Jun. 1798.
Plan of the situation of the air pump and condenser for 10 and 12 horse engines, Aug. 1798.
Air pump and condenser for John Lees, Sep. 1798.
Air pump and condenser for John & James Lees, May 1799.
Plan of the air pump and condenser for Barrow Lees Jones Duncust & Co. [Barrow Lees & Co.]'s 40 inch engine, Dec. 1799.
1800s:
Condenser and air pump for 20 horse engine - coloured drawing, not dated [1800s - paper watermarked 1801].
Air pump for Sir John Hope's 60 inch single-acting engine [Inveresk] - partially coloured drawing, Feb. 1800.
Condenser for Sir John Hope's 60 inch single-acting engine [Inveresk] - partially coloured drawing, Feb. 1800.
Plan of the air pump and condenser for Sir John Hope's 60 inch single-acting engine [Inveresk] - partially coloured drawing, Mar. 1800.
Plan of the air pump and condenser for Lockwood Morris & Co., Mar. 1800.
Sketch plan of the air pump and condenser for the Isle of Dogs Canal, Apr. 1800.
Plan of the air pump and condenser for John Addenbrooke's 36 horse engine, Jul. 1800.
Plan of the air pump and condenser for Mitchell & Holt, Sep. 1800.
Plan of the air pump and condenser for J. Blanken, Mar. 1801.
Air pump bucket for 26 inch pump - press copy sketch, Jun. 1801.
Plan of the air pump and condenser for 40 horse engines, Aug. 1801.
Outline plans of the air pumps and condensers for 36 and 40 horse engines, Apr. 1802.
Plan of the air pump and condenser for 16 to 20 horse engines, Dec. 1802 [marked "Old plan" in pencil].
Plans of the air pumps and condensers for 16 to 20 horse engines and 10, 12 and 14 horse engines with pillar nozzles - reverse drawings, Dec. 1802 and May 1803 [2 drawings stuck together, marked "another plan 1804"].
Plan of the air pump and condenser for Philips Wood & Lee ["Alteration Engine"], Feb. 1803.
Plans of the air pumps and condensers for 36 to 40 horse engines - reverse drawings, Feb. 1803 [2 drawings stuck together].
Sketch plan of the air pump and condenser for 30 and 32 horse engines, Feb. 1803.
Plans of the air pumps and condensers for 45 and 50 horse engines - reverse drawings, Feb. 1803 [2 drawings stuck together].
Plans of the air pumps and condensers for 40 and 24 horse engines, Feb. 1803.
Plans of the air pumps and condensers for 24 and 30 and 32 horse engines - reverse drawings, Feb. 1803 [2 drawings stuck together].
Sketch plans of the air pumps and condensers for 10, 12 and 14 horse engines with pillar nozzles, May 1803 [marked "Old plan" in pencil].
Plan of the air pump and condenser for Gilbert Meason [Wanlockhead], May 1803.
Plan of the condenser and air pump for 16 and 20 horse engines, Sep. 1804 [marked "New plan" in pencil].
Plan of the condenser and air pump for 10, 12 and 14 horse engines, Sep. 1804 [marked "New plan" in pencil].
Plan of the condenser and air pump for 8 horse engines, Nov. 1804 [marked "New plan" in pencil].
Plan of the air pump and condenser for Sir John Hope [engine OO], with 2 notes by William Creighton attached, Jun. 1806.
Plan of the air pump and condenser for John Rennie [engine E30], with sketch and note by William Creighton attached, May 1807.
1810s:
30 inch air pump and condenser [used for Wilson & Sons' 48 horse engine] - partially coloured reverse drawing, Sep. 1805 [new copy made 1810].
26 inch air pump and condenser - partially coloured original and partially coloured reverse drawings, Aug. 1810.
Sketch plan of the air pump and condenser for Chelsea Water Works, Dec. 1810.
Air pump and condenser for 20 horse engines - 2 sketches stuck together, Jan. 1811.
Plan of the air pump and condenser for 20 horse engines - sketch and press copy, Sep. 1811.
Plan of the air pump and condenser for 14 horse engines - sketch with note by Abraham Storey and William Creighton attached and press copy Nov. 1811.
Air pump and condenser and covering plates for 14 horse engines, Jun. 1812.
Air pump and condenser for 28 and 32 horse engines - partially coloured reverse drawing, May & Jun. 1796 ["new edition" made Jan. 1813].
Air pump and condenser for 22 and 26 horse engines - partially coloured reverse drawing, Jun. 1796 ["new copy" made Jan. 1813].
Air pumps and condensers for 10, 12, 14 and 16 horse engines - partially coloured reverse drawing, Jun. 1796 ["new edition" made Jan. 1813].
Air pump and condenser for 35 and 40 horse engines - partially coloured reverse drawing, Jun. 1796 ["new copy" made Jan. 1813].
Air pump and condenser for 45, 50 and 53 horse engines - partially coloured reverse drawing, Jun. 1796 ["new copy" made Jan. 1813].
Air pumps and condensers for 3,6 and 8 horse engines - partially coloured reverse drawing, Jun. 1796, Mar. 1797, Jan. 1798 ["new edition" made Jan. 1813].
Plans of air pumps and condensers for 8, 10, 12, 14, 16 and 20 horse engines - partially coloured reverse drawings, Sep. & Nov. 1804 [new copies made Jan. 1813].
Sketch plan of the air pump and condenser for 100 horse engine D [Birley & Hornby], Jul. 1813.
Plan of the air pump and condenser for single-acting engine YG [Glasgow Water Works], Jan. 1817.
Sketch and list of items wanted for air pump for 48 inch engine YD [Grand Junction Canal Co.], Jun. 1817.
Air pump, condenser etc. for 60 inch engine YO [East London Water Works], Sep. 1817.
Sketch plans of air pump and condenser for 36 inch engine YY [Kent Water Works] - 2 sketches stuck together, Aug. 1818.
Sketches of air pump and air vessel for 36 horse engines for Thomas Orrell, Houldsworth, Newall Bros. and George Cheetham - 2 sketches stuck together, May 1819.
Plans of condenser and air pump for 40 horse engines with 6 foot strokes - sketch and drawing, Jul. 1819 [later used for engines XO & XP, Calcutta Mint, Apr. 1821].
Air pump and condenser for 40 horse engines with 6 foot strokes - coloured drawing, Jul. 1819.
1820s:
Sketch of air pump for 30 horse engines with 5 foot strokes, Dec. 1822.
Part of air pump for 30 horse engines with 5 foot strokes, Dec. 1822.
Sketch section of air pump etc. for 80 horse engine, Sep. 1823.
Sketch plan of air pump for Warner & Cunningham [formerly Robert Reid Cunningham, 1800], with note by William Creighton attached, Mar. 1824.
Plans of the situations of air pumps and condensers for 8, 10 and 12 horse engines - reverse drawing, Mar. & Aug. 1798 ["Fair copy" made Jun. 1827].
Air pump, condenser etc. for new 80 horse engine for Andrew & George Murray - coloured drawing with small sketch attached, Apr. 1829.
1830s:
Air pump, condenser, hot water cistern etc. for 30 horse engines with 5 foot strokes - partially coloured reverse drawing, Aug. 1839.
1840s:
Air pump, condenser, hot water cistern etc. for 36 inch engines with 8 foot strokes - coloured original and coloured reverse drawings, Jun. 1840.
Air pump, condenser and hot water cistern for 50 horse engine with 6 foot stroke for Samuel Greg & Co. - coloured reverse drawing, Mar. 1843.
Air pump, condenser etc. for horizontal engines, London Croydon & Epsom Railway - coloured drawing, Apr. 1846.
1850s:
Air pump bucket for 30 horse engines with 5 foot strokes - partially coloured reverse drawing, Apr. 1850.
Air pump bucket for 40 horse engines with 6 foot strokes - partially coloured original and partially coloured reverse drawings, Jun. 1850.
Air pump bucket for 60 horse engines with 7 foot strokes - partially coloured original and partially coloured reverse drawings, Jun. 1850.
Air pump bucket for 70 horse engines with 7 foot strokes - partially coloured original and partially coloured reverse drawings, Jun. 1850.
Air pump bucket for 80 horse engines with 7 foot strokes - partially coloured original and partially coloured reverse drawings, Jun. 1850.
Air pump bucket for 100 horse engines with 8 foot strokes - partially coloured original and partially coloured reverse drawings, Sep. 1850.
Undated:
9 undated sketch plans, sections of air pumps and condensers etc.
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