[The Horological Journal. Vol. XXI (?), No. ?? (February, 1879): 75.]
AN arrangement by DETOUCHE and HOUDIN shown in the accompanying diagram,1 may be compared with the much later escapement of Voss and Monnington, p. 52 in the last volume. [Note: this is somewhere in the September to December 1878 installments that I do not, at the time of this writing, have.]
[Note: The [square brackets] in the figure caption below appear in Frodsham's original text.]
[This diagram was accidentally given last month as fig. 5 of Wagner's Escapement. It was, however, sufficiently obvious that the lower portion of fig. 4 was the fig. 5 referred to in the text.]
[Footnote to the January, 1879 installment. In the original this footnote was, unlike those of many previous installments, numbered.]
1 "Revue Chronométrique," vol. i. p. 205.
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