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oe September 9, 1942 SOF 3ML0 Calis 5325 p.a. Dictateds 9:45 a.m, 9-10-42 MEMORANDUM FOR WR, _D, M. LADD At thie tine SAC doknson ef the Ciieage Office furnished the following informatien concerning technical and alerophens werveillances in that citys be I sas : Autdorised: August 7, 1942 by the Aiternay Ceaerad ; . Install ® 33, 1942, 5:00 pm mo -ocation : 7 ‘ b Tne tall eds ® Z, 1942 (Operating interaittently) ag Syabdol ¢ rye Opera ttn aa ra oF Microphone Sarv Operating iaternitteatly) oT bye al «9. ak 2 eh de i " br Om thie eesasion, Jonas<a was qGesetionss vit eo % . tag wits uate af’ reptauber hy inal enptimed *is) 3 Selective Servies* in shich aention wag nade of iafornaas saperviser 0) ie bis 1 Say Peeord ww sdvised that , sitereast 7 ¥arteL Li anes —a =a aroemaron costinen om a us “HEREIN IS UNCLASSIFIED ‘ DATE) 3/- 2 BY Spatig|he 7