On eBay, there is a 1975 Stark (Royal) Pony 401 tank vacuum. The owner says that when Stark's refurbished it about 5 years ago, while installing the new power cord they somehow bypassed the main motor switch in a way that the motor turns on simply when you plug it in.
The serial # on the unit reads 57FC60318 which translates to a mfg. date of June 1975.
~Ben
http://cgi.ebay.com/VTG-ROYAL-Canis...cmd=ViewItem&pt=US_Vacuum&hash=item1c147b952f

The serial # on the unit reads 57FC60318 which translates to a mfg. date of June 1975.
~Ben
http://cgi.ebay.com/VTG-ROYAL-Canis...cmd=ViewItem&pt=US_Vacuum&hash=item1c147b952f
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