WE and NE 532
Single line w/ receiver amplification (151B amp) and volume control - for impaired hearing
©2002 paulf. All rights reserved.
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Western Electric 532B
Western Electric 532B volume control and amplifier detail.
The Canadian version is virtually identical, with some differences in the component markings.
Northern Electric 532B
Northern Electric 532B switch and amplifier detail.
Northern Electric 425B network
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©2002-5 paulf. All rights reserved.