Study of People

His study and interesting in mathematics was what fueled this project of his when he was only 19-years-old. The small spy camera was called the C.P. Stirn Concealed Vest Spy Camera. “It was a round flat canister hidden under the vest with the lens sticking out through a buttonhole,” he told St. Hallvard Journal in 1942. “Under my clothes, I had a string down through a hole in my trouser pocket, and when I pulled the string the camera took a photo.”
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Getting Candid Photos

“I strolled down Carl Johan, found me a victim, greeted, got a gentle smile and pulled. Six images at a time and then I went home to switch [the] plate.” In total, Størmer took about 500 secret images. This has got to be the most extensive photo gallery of life in the 1890s to date!