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A variable autotransformer, with a sliding-brush secondary connection and a toroidal core. Cover has been removed to show copper windings and brush.
A variable autotransformer, with a sliding-brush secondary connection and a toroidal core. Cover has been removed to show copper windings and brush.
Variable Transformer - part of Tektronix 576 Curve Tracer
Variable Transformer - part of Tektronix 576 Curve Tracer
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An O-core transformer consisting of two coils of copper wire wrapped around a magnetic core
An O-core transformer consisting of two coils of copper wire wrapped around a magnetic core
Instrument transformer, with polarity dot and X1 markings on low-voltage ("LV") side terminal
Instrument transformer, with polarity dot and X1 markings on low-voltage ("LV") side terminal
Core form = core type; shell form = shell type
Core form = core type; shell form = shell type
Shell type transformer with laminated core showing edges of laminations at the top of the photo
Shell type transformer with laminated core showing edges of laminations at the top of the photo