Harold Poole shows how you can build muscles with a cable workout (the same set of cables as advertised in the magazine).Source: Muscle Builder / Power (Issue June 1968) Page 42 (Muscle Builder / Power Issue Jun 1968) Page 43 (Muscle Builder / Power Issue Jun 1968) Page 44 (Muscle Builder / Power Issue Jun 1968) Page 45 (Muscle Builder / Power Issue Jun 1968) Page 61 (Muscle Builder / Power Issue Jun 1968) Page 62 (Muscle Builder / Power Issue Jun 1968)