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Liquefying Gas_February 5, 1941
r'XlQtJEPYINQ GAS (See Bottled Gas) 3rd and final reading Ordi. No,593 -rogniart-ing s adre of"aTid~tns1:;'al~lati onr- V wo. -i-J-Avj u CIJ-J-Ci. U J- WAX of liquefying gas eg 2/5/41 Bk.20, Page-45