Show performance TEST METHODS rules rule ar am aa drawn U up p by 8 bureau U W of standards for far investigation ln ah tit of new apparatus owing to the very law large a demand it which lias bee arisen lot lor r radio re calling sets sata many Y retail dealers dealer I 1 tn other lines of work have taken up the h handling of such equipment it la is wry very difficult for uh dr dealers alers to decide whether bather sets offered by the are Is of good or poor quality ind ly aada eye a radio a it to merchandising the whole ait aft Is 1 so new and ad some ame of the ques que that eions involved are am so no gallud tallud I the that the problem presents caMble considerable cuble dif A balthas acuities A As a consequence the be department or of CO commerce m met a and pat particularly Y the bu bit mail of et standards has recel ed d S a great many reque requests so tor for testa test of verb app apparatus armin As it IS 1 impossible for tile the bu bureau secial to conduct all the work of this nature at chic it would be called upon to perform herfor it has drawn draw up roles IS my cov string performance too test methods which are am to be met carried led out 1 by by the electrical electric at I 1 testing laboratories cle of new york talk in t 10 with the national retail vry dry goods mind the latter rep wo resenting ahn the re tatters retailers of 0 radio receiving as sell A As 11 the wo tt develops y J p aag gent at lons 1 regarding improvements ear ug of methods method of hiting will be subject to the approval of the bureau of stand bland arda art the tests testa outlined include ise I se gation ti as to the material and it work sam ishill the me mechanical and electrical clecil I dedda simplicity of ad adjustment J 1 1 I 1 0 rug hu r P n o of f tuning el wave length range and faithfulness of reproduction 1 in real radio telephone tele phona reception |