Folmer & Schwing

New York, NY (USA)

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U.S. Utility Patent

William F. Folmer, 1890/1891

Folmer & Schwing Watch Pocket Lamp

with package of pyrophoric discs

Folmer & Schwing Watch Pocket Lamp

with package of pyrophoric discs

Folmer & Schwing Watch Pocket Lamp

with package of pyrophoric discs

Folmer & Schwing Watch Pocket Lamp

with package of pyrophoric discs

Folmer & Schwing

print advertising, 1895

Folmer & Schwing

print advertising, 1897

Folmer & Schwing

print advertising, 1897

Folmer & Schwing

print advertising, 1905

Folmer & Schwing

print advertising, 1910