A AERIAL

pulleys of metal, other than for machines; poles of metal for power lines

Pulleys being part of simple machines, namely, cable rollers, support rollers, cable pullers, overlash rollers, slap-on rollers, cable pulleys, coffin rollers, clip on rollers; pole line hardware; roller conveyors, namely, cable rollers, support rollers, cable pullers, overlash rollers, slap-on rollers, cable pulleys, coffin rollers, clip on rollers; roller conveyors, namely, clip on rollers in the nature of pulleys for the pulling of wire and cable