https://maxonmotorspeedcontroller.com Sat, 07 Nov 2026 08:28:19 +0000 en-US hourly 1 https://wordpress.org/?v=4.1.1 https://maxonmotorspeedcontroller.com/2026/11/07/vintage-the-electric-controller-mfg-co-feild-rheostat-cast-iron-motor-speed/ https://maxonmotorspeedcontroller.com/2026/11/07/vintage-the-electric-controller-mfg-co-feild-rheostat-cast-iron-motor-speed/#comments Sat, 07 Nov 2026 08:28:19 +0000 https://maxonmotorspeedcontroller.com/2026/11/07/vintage-the-electric-controller-mfg-co-feild-rheostat-cast-iron-motor-speed/



















Really neat looking device. Top plate is made of an insulating material(probably slate) and is chipped, see last photo. Missing one acorn nut to hold top on.

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