Physical fitness : a short treatise on the cause of bow-leg and knock-knee, and the principle of their safe and permanent cure / [The Stephens Appliance Co].
- Stephens Appliance Co.
- Date:
- [between 1930 and 1939?]
Licence: Public Domain Mark
Credit: Physical fitness : a short treatise on the cause of bow-leg and knock-knee, and the principle of their safe and permanent cure / [The Stephens Appliance Co]. Source: Wellcome Collection.
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