Willis Lamm's
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Signal Service Corporation (SSC) Type BAP-34 Fixed 4-Way Signal |
The following photos show some of the signal's construction details.
SSC and its predecessor AGA had unique door fasteners. The porthole doors were secured by wing nuts on both the hinge side and the latch side of the door. Both wing nuts were loosened to open the door. When closing the porthole both nuts were tightened evenly to help ensure a tight seal between the door gasket and the signal body. |
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Brass gooseneck weatherhead (an AGA casting.)
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Testing the signal.
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View of bottom plate.
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I like how the Kopp 27 lenses reflect off the visor undersides.
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Continue to Part Three
Return to Part OneReturn to Signals Page |