Vintage Siemens Brothers Slide Wire Potentiometer In Wood And Brass
Vintage Siemens Brothers Slide Wire Potentiometer In Wood And Brass
Siemens Brothers & Co
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Vintage Siemens Brothers Slide Wire Potentiometer In Wood And Brass
This simple piece of Physics laboratory equipment is a Vintage Siemens Brothers Slide Wire Potentiometer In Wood And Brass.
Made by Siemens Brothers & Co, Electrical and Telegraph Engineers of Woolwich, London, SE18. It dates to about the 1930s, or possibly earlier, and is in pretty good condition with a few scratches/blemishes in the wood and pitting in the brass .
It measures resistance in a conductor between 0 to 0.01 ohms in 0.001 ohm increments. I'm not sure whether it should actually be called a Wheatstone bridge, Kelvin Bridge, Ohmmeter or Potentiometer! It has not been tested, and is sold as a collectible for display only.
Beautifully made from hard wood and brass, it has 4 connector terminals and is labelled:-
Siemens Bros & Co. London
Ohm Compensated
Approximate Size WHD : 36.6 x 5 x 6.8 cm
A nice collectible piece of vintage technology for display.
Please click on the following link for more vintage technology.
![Vintage Siemens Brothers Slide Wire Potentiometer In Wood And Brass](http://mullardantiques.co.uk/cdn/shop/products/DSC05303.jpg?v=1667831518&width=1445)
![Vintage Siemens Brothers Slide Wire Potentiometer In Wood And Brass](http://mullardantiques.co.uk/cdn/shop/products/DSC05297.jpg?v=1667831518&width=1445)
![Vintage Siemens Brothers Slide Wire Potentiometer In Wood And Brass](http://mullardantiques.co.uk/cdn/shop/products/DSC05299.jpg?v=1667831518&width=1445)
![Vintage Siemens Brothers Slide Wire Potentiometer In Wood And Brass](http://mullardantiques.co.uk/cdn/shop/products/DSC05298_bcfb0839-34e7-4b7c-a9c7-364d0fe0f7d7.jpg?v=1667831518&width=1445)
![Vintage Siemens Brothers Slide Wire Potentiometer In Wood And Brass](http://mullardantiques.co.uk/cdn/shop/products/DSC05300.jpg?v=1667831518&width=1445)
![Vintage Siemens Brothers Slide Wire Potentiometer In Wood And Brass](http://mullardantiques.co.uk/cdn/shop/products/DSC05301.jpg?v=1667831518&width=1445)
![Vintage Siemens Brothers Slide Wire Potentiometer In Wood And Brass](http://mullardantiques.co.uk/cdn/shop/products/DSC05302.jpg?v=1667831518&width=1445)
![Vintage Siemens Brothers Slide Wire Potentiometer In Wood And Brass](http://mullardantiques.co.uk/cdn/shop/products/DSC05304.jpg?v=1667830296&width=1445)
![Vintage Siemens Brothers Slide Wire Potentiometer In Wood And Brass](http://mullardantiques.co.uk/cdn/shop/products/DSC05305.jpg?v=1667830295&width=1445)