Sessions Tambour Mantel Clock, 1930s

I repaired this Sessions Tambour mantel clock for a customer. It was made in the 1930s and is 9 1/2 inches tall, 21 1/8 inches wide, and the minute hand is 2 3/4 inches long. It is an 8-day clock, made to be wound once per week (to keep the most accurate time), but will run for about two weeks from full winding until it stops. It strikes bim-bam on the hour on two chime rods, and strikes once on one rod at each half-hour.

The dial is aluminum with embossed numerals and printed minute marks.

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Repair job 8896. I smoothed the clicks, replaced the brass clicksprings with steel springs and made new brass rivets for the clicks. I polished or burnished the pivots and installed 18 bushings. The old mainsprings were on the strong side (0.018″ thick) and I replaced them with new springs, MS301 from Ronell Clock, 3/4 by 0.014 by 108 inches. These mainsprings look different from the ones I bought from Merritt’s (having a blue color throughout and a copper rivet) and they work just as well. I closed the verge slightly to reduce the drop onto the exit pallet.

Do you have an antique American clock you’d like repaired? Check out my American Antique Clock Repair page. These are one of my clock repair specialties.

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