#equipment

From Dr. G. Zander’s Medico-Mechanische Gymastik (1892).

Source: Tekniska Museet / Flickr: The Commons

https://pdimagearchive.org/images/8da00514-f496-492e-b9f8-96bfee1a0f6f

#muscles #exercise #sitting #fitness #equipment #mechanism #photography #art #publicdomain