oys shall not enter the trades as
apprentices or helpers below the age of 16. The limits set by the
various trades and the union regulations as to length of
apprenticeship are shown in Tables 23 and 24.

TABLE 23.--UNION REGULATIONS AS TO ENTERING AGE OF APPRENTICES

----------------------------------------+------------------------+
Asbestos workers | Enter at any age |
Bricklayers | Between 16 and 23 |
Carpenters | Between 17 and 22 |
Cement finishers | Must be full grown |
Elevator constructors | Must be full grown |
Lathers | Must be 18 years old |
Inside wiremen | Between 16 and 21 |
Painters and paperhangers | Before 21 years old |
Plumbers and gas-fitters | Must be 16 years old |
Sheet metal workers | Must be over 16 years |
Slate and tile roofers | Must enter before 25 |
Steam-fitters | Must be full grown |
Structural and ornamental iron workers | Between 18 and 25 |
----------------------------------------+------------------------+

TABLE 24.--UNION REGULATIONS AS TO LENGTH OF APPRENTICESHIP PERIOD

_Trades in which indentures are usually signed_
Bricklayer 4 years
Plasterers 4 years
Sheet metal workers 4 years

_Trades in which indentures are seldom signed_
Steam-fitters 5 years
Carpenters 4 years
Inside wiremen 4 years
Plumbers and gas-fitter 4 years
Cement finishers 3 years
Asbestos workers 3 years
Painters and paperhangers 3 years
Slate and tile roofers 3 years
Lathers 2 years
Structural and ornamental iron workers 11/2 years
Elevator constructors varies

All obtainable information points to the conclusion that the number of
apprentices employed in the city is far below the maximum permitted by
the unions. Ma