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What is this?
Posted: Wed Jun 11, 2014 9:15 pm
by estott
What is this device? Some sort of add-on speed indicator?
http://www.ebay.com/itm/Unknown-Antique ... 2c850323c7
Re: What is this?
Posted: Wed Jun 11, 2014 9:45 pm
by Tpapp54321
I believe it is a Sonora record indicator that was on there higher priced models that would tell you how many records you can play on as you wound up the machine and played it.
-Tom
Re: What is this?
Posted: Wed Jun 11, 2014 10:12 pm
by estott
Tpapp54321 wrote:I believe it is a Sonora record indicator that was on there higher priced models that would tell you how many records you can play on as you wound up the machine and played it.
-Tom
OK- makes sense.
Re: What is this?
Posted: Wed Jun 11, 2014 11:34 pm
by Roaring20s
I saw that and wondered too.
I like the idea of knowing the remaining playing capacity.
James.
Re: What is this?
Posted: Thu Jun 12, 2014 12:15 am
by PeterF
Yes, that's exactly what it is. Unfortunately they require special bits on the motor, so you can't retrofit or adapt it to motors other than those from the specific Sonora top-line units. The patent is available online so you can see how it worked...quite a clever design.