Need help identifying aftermarket timer

[Matt in California]

Would someone please help me identify this? I would like to see an example of a rotor for it.

Thanks!

Matt

[DanTreace]

[Matt in California]

Thanks Dan!
Now I need to keep my eyes out for the roller and extension!

Matt

[Matt in California]

I thought after seeing Dan's post with the name and manufacture I would find lots more info on the MTFCA forum. But to my surprise nothing came up searching for Bemus Ball Contact Timer by Motor Specialties Co (Mosco). I did find Stan Howe post in a general discussion about after market timers:
https://www.mtfca.com/discus/messages/29/10263.html
Stan shared photos of his collection including this timer:

Stan Howe Bemus Ball Contact Timer.jpg (23.02 KiB) Viewed 116 times

He also showed this "unknown brush", that looks similar to the roller for the Bemus timer.

Does anyone have an example of a roller for this timer?

I was much more successful in finding information on Google books.

Notice the roller here is different than the one Dan posted.

There is a lot of advertising. I am wondering why we don't see more examples.

Matt

[DanTreace]

Does anyone have an example of a roller for this timer?

Seems that is a worn down Bemus, makes for poor design to have flat sided roller


There may have been another improved Bemus, as this adv states Bakelite as would guess the timer case.

[Matt in California]

Something mentioned by Tom Carnegie and others is a draw back with timers is that the electrical connection is via the camshaft. The roller/brush on this unit actually connects to the housing for electrical connection and centering.