"Kine Force Reinforcement Cast Iron Tool 19th"
They each weigh 2,200 KG, that's not the problem... It gets worse when I try to join the handles, with two fingers, impossible, with three... without success, I have to use all my energy with your whole hand to get there. Gymnastic equipment from the 19th century or very early 20th century, cast iron or iron marked DESBONNET Mr. Desbonnet also used cinematographic film at the end of the 19th century to immortalize voluntary contractions with spring dumbbells. He will be the subject of this film taken at the physiological station of the Parc des Princes by Doctor Pagès (see photo) I invite you to discover the character on Wikipedia, he deserves to be known. 
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