16 1/2″ High x 2 1/4″ Dia ~ 3/4″ Pipe ~ Believed USA made.
20 1/2″ High x 3″ Dia ~ Flange Mounting ~ Possibly Sidney Smith, UK. ~ Unused ~
15″ High x 2 3/4″ Dia ~ 1″ Pipe ~ (Probably) USA made
12″ High x 2 3/4″ Dia ~ 3/4″ Pipe ~ Lunkenheimer type.
15″ High x 3″ Dia ~ 1/2″ Pipe ~ Maker unknown.
BELL TYPE WHISTLE 11 1/2″ High x 2″ Dia ~ 1/2″ Pipe ~ British made, possibly Smith