Uniselectors |
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Apart from the Strowger two-motion selectors, exchanges
were packed with rows and rows of uniselectors.
Photo: A shelf of Sub's
Unis, with homing arcs. Red, blue and orange multiple wiring ©
LSA 2005.
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Uniselectors |
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Overview
Uniselectors were the universal switching solution of
long lasting rugged construction and precision too!
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Image: PO Uniselector Type
2.
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This version of the Type 3 with the split
homing arc was commonly used in the 'Subs Uni Circuit' as
pre-selection for high calling rate Subs giving access to a
free 1st selector. The split homing arc meant that the
selector would only have to step through half the bank to
return to home. Notice the spark quench capacitor clipped
onto the magnet assembly.
Image: PO Uniselector Type
3.
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Image: PO Uniselector Type
3.
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Design, images and text compiled by ©
Light-Straw.
With thanks to Paul Ebling.
Page last updated 27th May 2012. Checked May 2021.
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and are used on the Light Straw site(s) for review only. Students and
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to the accuracy of the information contained therein. |