
Although Welte instruments were the best sellers of their time, this booklet with instructions for adjusting the Welte-Mignon (T100, red) is extremely rare. With the scale roll and this document, the Welte system can be adjusted. Format: approx. (height / width) 140 x 105 mm. About 18 pages. We offer a PDF copy of this rare catalog for research purposes on request.
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