3624 ARTICLE 100

chines, job or cylinder printing presses operated by power other than foot-
power, boring or drill presses, stamping machines used in sheet metal
and tinware or in paper and leather manufacturing or in washer or nut
factories, metal or paper cutting machines, corner-staying machines in
paper-box factories, corrugating rolls, such as are used in corrugated paper,
roofing or washboard factories, steam boilers, dough brakes or cracker ma-
chinery of any description, wire or iron straightening or drawing machin-
ery, rolling-mill machinery, power punches or shears, washing, grinding, or
mixing machinery, calendar rolls in paper or rubber manufacturing, laun-
dering machinery; or in proximity to any hazardous or unguarded belts,
machinery or gearing; or on any machine or machinery operated by power
other than foot or hand power; or upon any railroad, whether steam or
electric or hydraulic; or upon any vessel or boat engaged in navigation or
commerce.
Boys under 16 may not work in or about a coal mine, see art. 89, sec. 174.

An. Code, 1924, sec. 8. 1912, sec. 8. 1912, ch. 731, sec. 8. 1916, ch. 222, sec. 8.

8. No child under the age of sixteen years shall be employed, permitted
or suffered to work in any capacity in, about or in connection with any
processes in which dangerous or poisonous acids are used; nor in the manu-
facture or packing of paints, colors, white or red lead; nor in soldering;
nor in occupations causing dust in injurious quantities; nor in the manu-
facture or use of dangerous or poisonous dyes, nor in the manufacture or
preparation of compositions with dangerous or poisonous gases; nor in the
manufacture or use of compositions of lye in which the quantity thereof is
injurious to health; nor on scaffolding, nor in heavy work in the building
trades; nor in any tunnel or excavation; nor in, about or in connection with
any mine, coal breaker, coke oven or quarry; nor in any factory or estab-
lishment where tobacco or tobacco products are prepared, manufactured,
assorted or packed; nor in operating any automobile, motor car or truck;
nor in a pool or billiard room, theatre, or moving picture establishment;
nor in any other occupation dangerous to the life and limb, or injurious to
the health or morals of such child; nor shall any child under the age of
sixteen years be employed, permitted or suffered to appear upon the stage
of any theatre or concert hall in connection with any professional theatrical
performance, exhibition or show.

An. Code, 1924, sec. 9. 1912. 1920, ch. 667.

9. Whenever minors engaged in theatrical performances in Baltimore,
regularly employed and with traveling theatrical companies shall hold
certificates permitting their employment from the accredited representa-
tives of other States or cities, then and in that event, the Commissioner of
Labor and Statistics,¹ on the payment of the sum of five dollars ($5.00) in
each case and the exhibiting of said certificates shall issue a certificate per-
mitting the appearance in the theatrical performances of the minor or
minors named in said certificate, which said permit shall entitle the minor
or minors therein named to appear for one week in the City of Baltimore
in said theatrical performances.

An. Code, 1924, sec. 10. 1912, sec. 9. 1912, ch. 731, sec. 9. 1916, ch. 222, sec. 9.

10. No child under sixteen years of age shall be employed, permitted
or suffered to work in, about or in connection with any establishment or

¹ Formerly the Bureau of Statistics and Information, see art. 89.