[22] S. F. Smith, _History of Newton, Massachusetts_, Boston 1880, p. 833. [23] U. S. patent 65208, issued May 28, 1867, all rights assigned to Giles, Wales and Co., March 4, 1867 and recorded March 8, 1867, at U. S. Patent Office, liber G9, p. 100. [24] In the U. S. National Museum, cat. no. 309021. [25] U. S. patent 179746, issued July 11, 1876. [26] _Boston directory_, 1865 through 1872. [27] M. F. Sweitser, _King's handbook of Newton, Massachusetts_, Boston, Mass., 1889, p. 203. [28] Smith, _op. cit._ (footnote 22), p. 20. [29] The sources used were Crossman, _op. cit._ (footnote 8), December 1887; Henry G. Abbot, _Watch factories of America_, Chicago, 1888, pp. 93-95; _Newton directory_ for 1875, 1877, 1879, 1881, 1883, 1884-85, and 1885; _Waltham-Watertown directory_ for 1877-78, 1880, 1882, 1884; and William B. Fowle, "Cash book" (see footnote 14). [30] U. S. patents 161513, applied for November 13, 1873, issued March 30, 1875; 165830, applied for July 14, 1875, issued July 20, 1875; 165831, applied for June 9, 1875, issued July 20, 1875; 179019, applied for May 25, 1876, issued June 20, 1876; and 186838, applied for January 12, 1876, issued January 30, 1877. A French patent was issued to Hopkins on September 12, 1876, and a Belgian patent on September 30, 1876. For lack of records neither has been positively identified but presumably they are for the same device covered in U. S. patent 179019. [31] No. 46 courtesy of the late C. A. Ilbert (this watch is now in the Science Museum, South Kensington, London); 124, 176, 224, 241 in the author's collection; 161 Abbot, _op cit._ (footnote 29); 250 Henry Ford Museum, Dearborn, Michigan; 361 F. Earl Hackett; 387 Dr. Alfred G. Cossidente; 403 Dr. W. B. Stephens; 423 Crossman, _op cit._ (footnote 8); and an unnumbered movement illustrated in _American Jeweler_, December 1898, vol. 17, no. 12, p. 371. [32] In the author's collection. [33] Crossman, _op. cit._ (footnote 8), December 1887, p. 400. [34] Crossman, _op. cit._ (footnote 8), January 1888, p. 33. [35] Crossman, _op. cit._ (footnote 8), January 1888, pp. 400-401; Abbot, _op. cit._ (footnote 29). [36] U. S. patent 204400. [37] U. S. National Museum cat. no. 248691.