![Philip Harris Resistance Box, 'Post Office' [vintage]](http://curiousminds.co.uk/image/cache/data/Electronics/Resistances+Rheostats/Resistance_Boxes/Philip_Harris_Resistance_Box_01-125x125.JPG "Philip Harris Resistance Box, 'Post Office' [vintage]")
This is a vintage scientific resistance box, manufactured by the famous English firm of Philip Ha..
£66.78
£60.10
Ex Tax: £50.09
Ex Tax: £50.09
![4 Brass Gas Tap Unit [vintage]](http://curiousminds.co.uk/image/cache/data/Heat/Gas_Taps+Burners/DSC_0030-125x125.JPG "4 Brass Gas Tap Unit [vintage]")
£60.52
£45.00
Ex Tax: £37.50
Ex Tax: £37.50
![Armillary Sphere hand coloured illustration [vintage]](http://curiousminds.co.uk/image/cache/data/Books/Armillary_sphere_01-125x125.JPG "Armillary Sphere hand coloured illustration [vintage]")
Armillary Sphere hand coloured illustration by Christoph Weigel, published in Nuremburg c.1720. S..
£46.96
Ex Tax: £39.13
Ex Tax: £39.13
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