The gadget

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Courtesy of brother Scott. Oh and the sleeves have arrived. 9 sizes. 

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Toothsome

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In our last episode we discussed the roughly 100 year-old Sessions York banjo clock emblazoned with Betsy Ross on its glass tablet and an eagle sitting on top.  And while in very good shape overall it was ticking and tocking in an uneven manner, what clockmakers call a "beat" problem.... What is a beat problem? Being in beat mean the clock is ticking and tocking very evenly, eg. tick-tock-tick-tock. That is a healthy beat for a clock. A tick or tock of a clock is the sound made when an escape wheel tooth hits a pallet... well... look at the gif above. You can see the escape wheel with its pointy teeth turning and gently colliding with the pallets of the pallet fork (that bent strip of grey metal). There are two pallets, one curved on top (the entrance pallet) and a second flat one on the bottom (the exit pallet).  See each one hitting a tooth? That pallet fork, also called an anchor, is attached to a crutch (the brass rod that is bent and then descends down below the image)...
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As noted in earlier episodes, your (ever learning) local horologist will often effect repairs even in the early phases of the examination of a clock. Pleasingly more of these have become regular parts of basic maintenance.   Amongst the many efforts made by this lover of brass in the early phases of examination of Charlene's Ingraham regulator clock was the quick identification and gentle straightening of an errant escape wheel tooth, hopefully preventing  the problems that can result .  Subtle, yes, but that tooth is bent forward which can upset the beat of the clock. The awake... woke... er... reader might recall a similar issue with the Sessions York banjo clock .  While the condition was visually subtle YLH did spy that bent tooth right after disassembly of the movement and while evaluating each wheel.  YLH really enjoys no longer being a clock freshman.  However, the errant tooth was not the source of the double tick / noise that was vexing this hor...
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How an "ordinary" repair... wasn't

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