TABLE I, CONTINUED.-SHOWING AGE WHEN BEGAN WORK. .... .... 1.. 1 .... ... .... 15 16 ...... ..... ..... ..... 40. 17. ...... . ... .... ... .... 1 ...... 6.7 I 16.7 20.0 1,0 17 100, 83. 18 ..... 10.0 20-25 Over 25 ..' 3.6 ... 3.1 1. 5.4 Glass blowers, green bottle..... flint, prescription ..... ..................... ................., ....................... 6.4 15.2 17.3 19 8 13.2 14.2 8.5, 19,3 33.3 13.3 12.0 12.0 12.0 16.0 8.0 20.0 1 20.0 17.9 1.3 .....' 1.7 3,9 79.0 46.7 ... 25 . 1,257 Hat finishers. . 1, 247 ... 73 |