James Purdey the Elder (British, London 1784–1863 Margate)

Date: 1831
Accession Number: 35.41.1–.15

Wogdon & Barton (British, London 1795–1803)

Date: 1801–3
Accession Number: 37.154.3a–g

Nicolas Noël Boutet (French, Versailles and Paris, 1761–1833)

Date: ca. 1800
Accession Number: 1970.179.1a–q

Joseph Rock Cooper (British, Birmingham 1814–1882 Warwickshire)

Date: ca. 1840–1850
Accession Number: 19.53.82a–f

Durs Egg (British, born Switzerland, baptized Oberbuchsiten, Switzerland 1748–1831 London)

Date: ca. 1805–10; converted after 1818
Accession Number: 19.53.106a–f

Samuel Colt (American, Hartford, Connecticut 1814–1862)

Date: ca. 1853
Accession Number: 2018.856.2a–o

Joseph Egg (British (born France), Huningue 1775–1837 London)

Date: ca. 1815–20
Accession Number: 19.53.111a–d

Johan Adolph Grecke (Russian, Saint Petersburg, recorded 1755–90)

Date: 1786
Accession Number: 1986.265.1, .2

Nicolas Noël Boutet (French, Versailles and Paris, 1761–1833)

Date: ca. 1800
Accession Number: 52.44.1–.3

Charles Moore (British, active in London and Paris, recorded ca. 1821–45)

Date: ca. 1825
Accession Number: 19.53.108a–g