256 ENGINEERS' LICENSE LA ITS' 



two citizens of Chicago, or may be verified under oath by the 

 applicant when required by the board of examiners. 



It shall be the duty of the board to see that each boiler plant 

 in the city of Chi ,ago shall have a licensed engineer, or boiler 

 or water tender, or both as the case may be, in charge at all 

 times when working under pressure; certificates must be dis- 

 played in a conspicuous place in the engine or boiler room. 

 Each engine and boiler tender shall devote his entire time, 

 while boilers are working under pressure, to the duties of the 

 plant under his charge, Any person having charge of a steam 

 boiler whose duty it is to keep up the water in such boiler 

 shall be deemed a boiler or water tender within the meaning 

 of the ordinance, but the provisions for the examination, licen- 

 sing, and regulation of boiler or water tenders shall apply only 

 to boiler or water tenders who ~re in charge of a steam boiler 

 or boilers, that are detached from the engine room or so far 

 removed therefrom or otherwise located as to render it difficult 

 for the engineer in charge of the plant to give it or them his 

 personal attention and supervision. 



The following are exempt from the provisions of the ordi- 

 nance: engineers in charge of locomotives and all boilers used 

 for heating private dwellings, hothouses, conservatories, and 

 other boilers carrying a pressure of not more than 10 Ib. per 

 sq. in. and the persons operating them. 



Denver, Colo. In Denver the mayor appoints a board of 

 examiners consisting of the city boiler inspector and two 

 practical engineers, whose duty it is to examine applicants for 

 licenses as engineers and boiler or water tenders, in accordance 

 with the rules and regulations of the ordinance, and to issue cer- 

 tificates of qualification. The law states that each certificate 

 issued by the board shall expire 1 yr. from the date of issue, 

 and that the board shall hold weekly sessions of such duration 

 as may be deemed requisite for the purpose of examining and 

 determining the qualifications of applicants for licenses as 

 engineers or as boiler or water tenders. 



Every application for a license must be made on printed 

 blanks furnished by the board of examiners, and must set forth 

 the name, age, and citizenship of the applicant and the extent 

 of his experience. An application for an engineer's license 



