Transmits an offset drive or through an angle (up to about 25 deg).
Meccano part 175, Flexible Coupling Unit
Meccano Socket Coupling Part 171 Prewar 'Meccano' Stamp
Meccano #63 coupling brass Post War dbl tap 3 bore
Meccano Strip Coupling, part 63b
Meccano Universal Coupling, part 140
VINTAGE MECCANO - OCTAGONAL COUPLING - NO: 63A
