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The following information was excerpted from the Pennsylvania Unconsolidated Statutes.
FLAG OF PENNSYLVANIA DESIGNATED
Act of Jun. 13, 1907, P.L. 560, No. 373 Cl. 38
Designating the official flag of the Commonwealth of Pennsylvania, and describing the same; providing for the carrying of such flag by the regiments of the National Guard of Pennsylvania; authorizing the Secretary of the Commonwealth to provide, and have deposited in the office of Secretary of the Commonwealth, a model of said flag, and making an appropriation therefor.
Section 1. Be it enacted, &c., That the flag to be known as the official flag of the Commonwealth of Pennsylvania shall be of blue, same color as the blue field in the flag of the United States, and of the following dimensions and design; to wit, The length, or heighth, of the staff to be nine feet, including brass spear-head and ferrule; the fly of the said flag to be six feet two inches, and to be four feet six inches on the staff; in the center of the flag there shall be embroidered in silk the same on both sides of the flag the coat of arms of the Commonwealth of Pennsylvania, in proportionate size; the edges to be trimmed with knotted fringe of yellow silk, two and one-half inches wide; a cord, with tassels, to be attached to the staff at the spear-head, to be eight feet six inches long, and composed of white and blue silk strands.
Section 2. ((2) repealed Mar. 16, 1937, P.L.99, No.27)
Section 3. The Secretary of the Commonwealth is hereby directed to provide a flag, in accordance with the description given in the first section of this act, and keep the same deposited in the office of the Secretary of the Commonwealth, as a model; the cost of said flag to be paid by warrant of the Auditor General upon the State Treasurer; and for this purpose the sum of one hundred and fifty dollars, or so much thereof as may be necessary, is hereby specifically appropriated, out of any moneys in the State Treasury not otherwise appropriated.
Section 4. All acts or parts of acts inconsistent with the provisions of this act be and the same are hereby repealed.
The Pennsylvania General Assembly, Pennsylvania Unconsolidated Statutes (http://www.legis.state.pa.us/cfdocs/legis/LI/Public/ucons_index.cfm), March 13, 2013
Adoption of Pennsylvania's State Flag from NETSTATE.
Pennsylvania (U.S.): FOTW "Flags of the World" Web Site.
State Flags: Complete list of state flags with links to large pictures and images suitable for coloring.
Flag Terminology: The parts of a flag and terms associated with its design.
Visit Our Flag Shop: Purchase all kinds of flags and banners, lapel pins, 50 state flag sets, decals, patches, college banners at the Flag Shop.
Flags of the Fifty States and their Incredible Histories: A complete guide to America's most powerful symbols by Randy Howe.
How Proudly They Wave: Flags of the Fifty States: This book, by Rita D. Haban, is geared toward younger readers.