As a young mathematics student in Oslo in the 1890s, Carl Størmer bought a Concealed Vest Camera manufactured by C.P. Stirn — “No Tourist, Artist or Student, Amateur or Professional, should be without this Camera” — and walked the street
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A Norwegian University Student Used a Spy Camera in This Amazing
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1890s Candid Street Photography Taken With a Spy Cam
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These Candid Photos Were Taken Secretly in the 1890s