Tag:
Super Strength by Alan Calvert
Super Strength by Alan Calvert

Super Strength by Alan Calvert

A rare magazine advertisement for ‘Super Strength’ by Alan Calvert from 1924 – which would be the same year the book was originally published. Despite the fact that this book was written a century ago, the training information is just as effective today. If you are a...

read more
Tag:
Super Strength by Alan Calvert
Super Strength by Alan Calvert

Super Strength by Alan Calvert

A rare magazine advertisement for ‘Super Strength’ by Alan Calvert from 1924 – which would be the same year the book was originally published. Despite the fact that this book was written a century ago, the training information is just as effective today. If you are a...

read more