Anyone need a 500 Ma. power supply for a 28? (162361) _http://www.upillar.com/listings/202134-vintage-teletype-corp-model-28-curre nt-60-ma-voltage-power-supply-for-rtty_ (http://www.upillar.com/listings/202134-vintage-teletype-corp-model-28-current-60-ma-voltage-power-supply-for-rt ty) Tom Tillson