|Field, Langstroth & Co.||166 High Street||Philadelphia||Pennsylvania||1846||1855|
|Field, Langstroth & Co.||440 Market Street||Philadelphia||Pennsylvania||1856||1860 ?|
|Field, Langstroth & Co.||435 Merchant Street||Philadelphia||Pennsylvania||1860 ?||1865 ?|
|Field, Langstroth & Co.||440 Market Street||Philadelphia||Pennsylvania||1866 ?||1880|
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The parent firm was listed as C.S. Langstroth Hardware dealers and Merchants as early as 1814.
in 1846 Field joined. They never (?) figured as gunmaker, gundealer, gunsmiths ...
Markings on gun-locks let suppose that they were lock makers until about 1850 when they began to manufacture (?) derringer style pistols (or only distributed pistols with their name).
how company's name figured on locks
.43 caliber percussion, holster pistol, 9" round barrel, birdhead grip
.45 caliber percussion, 4 1/16" ovoid barrel
.46 caliber percussion, deringer-style pocket pistol, 3 3/16" barrel marked PHILADELPHIA, lock marked FIELD & LANGSTROTH