Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines

Bruce, is this what you are looking for...?

DOLL cast iron lineshaft transmissions #650/1, post #240/1 hight 20.5cm (8in), shaft hight 17.5cm (7in)

[ Guests cannot view attachments ]

or
DOLL cast pewter lineshaft transmissions #354/xx, post #206/4 hight 16.5cm (6.5in), shaft hight 15cm(6in)

[ Guests cannot view attachments ]

To get three similar of them is always somewhat difficult as they are mostly come as a pair...
If you only need three posts w/o base plate and w/o shaft & wheels I'm willing to negotiate disassembling the sets apart.