878                             LAWS OF MARYLAND                      [CH. 392

maturing at stated periods and a portion of the principal is made
payable annually, to pay the interest and the portion of the principal
payable in such year; or (ii) if said bonds are not issued in series,
but are payable or redeemable in whole at a fixed rate of maturity,
to pay the interest on said bonds in such year and to produce a sum
sufficient to accumulate a sinking fund for the redemption and pay-
ment of said bonds at maturity. The proceeds of such levy when
collected and paid shall be used for such purposes and for no other
purpose than that for which such levy was made; provided, however,
that if the interest on such bonds matures before the levy, or before
a sufficient amount of taxes levied for the purpose of paying said
interest is collected, the county commissioners or county council may
pay said interest out of the proceeds of the sale of said bonds.

(4) The bonds issued under the provisions of this section, their
transfer and the income therefrom (including any profit made on
the sale thereof) shall at all times be free from taxation by the State
of Maryland or any of its political subdivisions, or by any town or
incorporated municipality or any other public agency within the
State.

(c) The provisions of this section shall be deemed to provide an
additional and alternative method for the doing of the things author-
ized hereby, and shall be regarded as supplemental and additional to
any powers conferred by other laws, and shall not be regarded as
in derogation of any powers now existing. All laws or parts of laws
inconsistent with the provisions of this section are hereby repealed
to the extent of such inconsistency.

16-3. Mechanical requirements of machines.

(a)    The use of voting machines so constructed as to furnish a
printed or photographic record of the setting of the counters and the
numbers registered thereon by voting is hereby specifically author-
ized, provided, that the machine is constructed to furnish at least as
many printed or photographic copies as the number of return sheets
required by Section 16-16 of this Article.

(b)    Every voting machine acquired or used in accordance with
this article shall:

(1)    Provide facilities for voting for such candidates as may be
nominated and upon such questions as may be submitted;

(2)    Permit each voter, in one operation, to vote for all the candi-
dates of one party for presidential electors;

(3)    Permit each voter, at other than primary elections, to vote
a ticket selected from the nominees of any and all parties and from
independent nomination;

(4)    Permit each voter to vote at any election, for any person and
for any office for whom and for which he is entitled to vote, and to
vote for as many persons for an office as he is entitled to vote for,
and to vote for or against any question which appears upon a ballot
label;

(5)    Preclude each voter from voting for more persons for any
office than he is entitled to vote for, and from voting for any candi-
date for the same office or upon any question more than once;