15″ High x 2 3/4″ Dia
~ 1″ Pipe ~
(Probably) USA made

30″ High x 4″ Dia
~ 1 1/4″ Pipe ~
Made by Smith, used at the Ruston Hornsby works.

6″ High x 2″ Dia
~ 1/2″ Pipe ~
German made,
from Lanz steam engine.