Objects
J & J Erat, 22-string single-action harp, probably an apprentice piece.
Grosjean, harp a la Genlis, finger exercising mute harp (c.1840)
Grosjean, harp a la Genlis, finger exercising mute harp (c.1840).
J.A. Stumpff, double-action harp, no. 1008, before restoration, private collection.
J.A. Stumpff, double-action harp, no. 1008, before restoration, private collection.
J.A. Stumpff, double-action harp, no. 1008, before restoration, private collection.
J.A. Stumpff, double-action harp, no. 1008, before restoration, private collection.
J.A. Stumpff, double-action harp, no. 1008, before restoration, private collection.
J.A. Stumpff, double-action harp, no. 1008, before restoration, private collection.
J Erat, single-action harp, no. 690 (c.1808) during restoration, private collection
J Erat, single-action harp, no. 690 (c.1808) during restoration, private collection
J Erat, single-action harp, no. 690 (c.1808) during restoration, private collection
J Erat, single-action harp, no. 690 (c.1808) during restoration, private collection
J Erat, single-action harp, no. 690 (c.1808) during restoration, private collection
J Erat, single-action harp, no. 690 (c.1808) during restoration, private collection
J Erat, single-action harp, no. 690 (c.1808) during restoration, private collection
J Erat, single-action harp, no. 690 (c.1808) after restoration, private collection
J Erat, single-action harp, no. 690 (c.1808) after restoration, private collection
J Erat, single-action harp, no. 690 (c.1808) after restoration, private collection
J Erat, single-action harp, no. 690 (c.1808) after restoration, private collection
19th century harp tuning key
Erard tuning fork
Erard 1829 string gauge
Lyon & Healy string gauge
Harps and harp related objects, The Dust Collection
Composition moulds - Erard and others (c.1810-1836), The Dust Collection
Composition moulds - J. Geo. Morley late 19th - early 20th century, The Dust Collection
J Erat & Son, double-action harp, no. 1352, Lanhydrock House, Cornwall
J Erat & Son, double-action harp, no. 1352, Lanhydrock House, Cornwall
J Erat & Son, double-action harp, no. 1352, Lanhydrock House, Cornwall
J Erat & Son, double-action harp, no. 1352, Lanhydrock House, Cornwall
J Erat & Son, double-action harp, no. 1352, Lanhydrock House, Cornwall
J Erat & Son, double-action harp, no. 1352, Lanhydrock House, Cornwall.
J. Erat & Son, double-action harp, no. 1352 (1821), National Trust at Lanhydrock House, Cornwall
J. Erat, 1813 patent, double action harp, no. 1066 (c1814), private ownership, during conservation at Pilgrim Harps, South Godstone, Surrey
J. Erat & Sons, single-action harp, no. 1210 (c.1818), Bonhams, London
J. Erat, single-action harp, no. 382 (c.1803), Bonhams, London
J. Erat & Sons, single-action harp, no. 1509 (c.1826), Christies, London
J. & J. Erat, Gothic double-action harp, no. 2139 (c.1837), Dallas Auction House
J. Erat & Sons, single-action harp, no. 1218 (c.1818), Pilgrim Harps, South Godstone, Surrey
J. Erat, single-action harp, no. 696 (c.1808), The Dust Collection
J. & J. Erat, 22-string single-action harp, no. 1913 (c.1834), The Dust Collection
Dizi perpendicular double-action harp, 1817 patent, Pilgrim Harps, South Godstone, Surrey 
Dizi perpendicular double-action harp, 1817 patent, Victoria & Albert Museum, London, mus. no. 382-1907 
Grosjean harp a la Genlis, The Dust Collection 
Mike Baldwin : Organologist : Historian : Researcher : Writer : Harp maker : Restorer