Diving Deeper into Bell & Howell 2709 #586
Last time we visited Bell & Howell 2709 #586, I had begun some work on the shutter dissolve mechanism. Some judicious cleaning and relubrication of the bore in the casting, the threads, and the brass nut that are the main part of the shutter dissolve had that system back in working condition. 2709s, in their […]
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