June issues, 1941-44 and Nov. issue, 1945, include a buyers' guide section.AMERICAN CONSULTING ENGINEERS TO FOREIGN MANUFACTURERS Designs Specifications Elect rul.v tics . ... Loud Speaker A NEW TYPE of infinite baffle speaker mounting with a high frequency deflector unit concealed in back of the insignia ... Polarized Condensers Magnavox announces introduction of Molanode capacitors for filtering and by-pass service. ... SEND FOR NEW CATALOGUE Mail coupon for new aquot;PINCORaquot; dyna- aquot;CSaquot;. and aquot;TSaquot; dyn PIONEER GEN E-MOTORanbsp;...