ALBERT C. RITCHIE, GOVERNOR. 1069

guilty of a misdemeanor, and upon conviction, subject to a
penalty of one hundred dollars ($100. 00) or imprisonment
for a period not to exceed ninety days, or both fine and im-
prisonment.

(4) Mufflers. No driver or operator of any motor car,
taxicab, automobile, motor truck or motorcycle shall use any
cutout, fitting or other apparatus or device which will allow
the gases from the engine of the motor vehicle to escape into
the atmosphere without first passing through a silencer, ex-
pansion chamber or other contrivance suitable and sufficient
for reducing as far as may be reasonably practicable the noise
which would otherwise be caused by the escape of the said
gases.; provided that this regulation shall apply only to a.
motor vehicle propelled by an internal combustion engine, and
only within the limits of cities, towns and villages in the State
of Maryland.

(4-A) Emblems. It shall be unlawful for any person to
display upon a motor vehicle the insignia or emblem of any
motor vehicle club or similar organization, unless he shall be
entitled to use the same under the constitution, by-laws, rules
or regulations of such club or organization.

(4-B) Smoke Screen. No motor vehicle of any kind shall
at any time, whether in use or not in use, carry or be equipped
with any device, designed, constructed or intended to be used
for the purpose of emitting or laying down a smoke screen or
emitting or discharging any screen of vapors, gases, fumes or
substances of any kind, and it shall be unlawful for any such
device, or part of such device, whether in operating condition
or not, to be attached to any motor vehicle.

(5) Penalties. Any person violating any of the provisions
of this section shall be deemed guilty of a misdemeanor, and
except in other cases in this section otherwise provided for,
upon conviction, subject to a fine of not less than five dollars
($5. 00) nor more than fifty dollars ($50. 00), for the first
offense; provided, however, that in the event approved lenses
or bulbs are used, and, due to improper adjustment, they do
not comply with all the provisions of this section, no penalty
shall be imposed for the first offense.

All the provisions of this Section 193, including the
several sub-sections thereof, shall apply both to the operator