ENGINEERS' LICENSE LAWS 289 



on examination, makes a grade of 90% or more, shall be 

 entitled to a first-class license. An applicant who is ocher- 

 wise qualified, and who makes 75% or more, and less than 

 90%, shall be entitled to a second-class license. An applicant 

 who is otherwise qualified, and who makes 60% or more, and 

 less than 75%, shall be entitled to a third-class license. The 

 board has the power to suspend or revoke licenses upon proof 

 of incompetency or neglect. 



All licenses must be renewed 1 yr. from date of issue, and 

 the fee for such renewal is $2. If any licenses are not renewed, 

 within 10 da. after the expiration of such, the fee for renewal 

 shall be $3. 



Engineers in charge of locomotives are exempt from the 

 provisions of this ordinance, as are also persons who operate 

 boilers used for heating purposes only, not carrying more than 

 15 Ib. of steam pressure per square inch. 



Washington and District of Columbia. In the District of 

 Columbia, which includes the city of Washington, all persons 

 applying for a steam engineer's license shall be examined by a 

 board of examiners composed of the boiler inspector of the 

 District of Columbia and two practical engineers, to be 

 appointed by the district commissioner. 



Applicants for license must be at least 21 yr. of age and of 

 good character, and certified to by at least three citizens of the 

 District of Columbia, themselves of good character. Applica- 

 tion must be made in writing. The fee for a license as steam 

 engineer is $3. Licenses may be revoked upon proof of negli- 

 gence on the part of licensee. 



It is unlawful for any person to act as a steam engineer who 

 is not regularly licensed to do so by the commissioners of the 

 District of Columbia. Boilers, and operators of same used for 

 heating purposes, where the water returns to the boiler without 

 the use of a pump, injector, or inspirator, are exempt from the 

 provisions of this act. Engineers licensed by the United States 

 government are also exempt. 



Yonkers, N. Y. In the city of Yonkers, N. Y., a board of 

 examiners consisting of three members appointed by the mayor, 

 with the consent of the common council, administers and 

 enforces the license laws. 



