PHOTO BALFOUR BEATTY-LIVERIED CLASS 20 LOCOS NO 20142 AND 20189 AT LANGLEY THES
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PHOTO BALFOUR BEATTY-LIVERIED CLASS 20 LOCOS NO 20142 AND 20189 AT LANGLEY THESE WILL BE USED IN CONNECTION WITH THE FORTHCOMING ELECTRIFICATION OF THE GREAT WESTERN MAIN LINE. PHOTO PAPER THICKNESS NORMAL PHOTOGRAPH THICKNESS.
