Show WINDOW ENVELOPES I CAUSING GRIEF FOR I POSTOFFICE HELP W WASHINGTON Jan Tan 31 The The In- In creasing demand for the use of ot window envelopes has resulted In the appearance appearance appear- appear lanoe ance of some styles that cause expend ex ex- ex- ex pend ture of unnecessary time and andlar andla laor lann la- la or r nn n the part of the postal and and for fr that reason the de- de t ha has issued conditions governIng govern- govern Ing bg- c of such letters These that the window regulations ions provide Just h ho hI parallel with th the length of the theTen Ten J v vel el p pp properly located d transparent land and nd free from glaze No printing Is permitted rr about the windows The eni en- en envelope elope i must bear a return address card and nd must b be made of white or very i tinted paper dark colored paper paper pa- pa paper per being forbidden must b be folded so noth- noth arg rg but the name and address are exposed ex ex- posed and so they will win not shift In the theny ny Manufacturers have been Informed lof of the new requirements Notification has been sent that hereafter under no will win window envelopes that do T not t meet the requirements be accePted by 1 r postmasters |