Gearbox, pawl carrier assembly, Norton upright (used)

Norton gearbox gear change pawl carrier with pawls suit dolls head and upright gearbox complete assembly (used).
A pawl carrier for Norton upright 4 speed gearbox with positive stop foot change.
Suit Nortons approx 1934 to 1949? 
Original Part Numbers:
3633; A2/414 - pawl carrier
3641; A2/417 - pawl plain
3637; A2/418 - pawl forked
3638; A2/419 - pawl return spring
3639; A2/420 - pawl pin
3640; A2/421 - pawl pin nut
3641; A2/422 - ratchet plate