As there are several subscribers working on Marquises and asking similar questions this may be of use .
Roller lubrication - oil not grease. The oiling nipples are straight, no bulbous end like the modern "lock on" ones.
This one is from a cylinder bearing carrier, the ones in the rollers are of a similar shape but are unthreaded, press fit ones with no Hex.
The ratchet mechanism that's held to the shaft with a bolted cotter pin similar to a push bilke's pedal crank. It's the free moving pawls that clank when the machine is pushed forward.