File:US 762,832 - 1904-06-14 - Physical Development Apparatus, K. Leo Minges.jpg

Summary
US762832, Physical Development Apparatus. 14 Jun. 1904, filed 23 Sep. 1903. "An appliance of this character is especially designed to assist physical exercises for the purpose of increasing the height or promoting growth in a person by acting upon the cartilage of the system by stretching or subjecting the body and limbs of the patient to a tension, and while I have illustrated the present embodiment as applied to such a purpose and including certain details in construction to obtain such an end it is to be understood that the same may be applied to the patient to indicate the amount of force exerted thereon by said devices, and means attached to said support for producing a stretching action upon the patients body." https://patents.google.com/patent/US762832A