622 THE COLLIERY GUARDIAN March 28, 1918. _______________________________________________________________________________________________________________________________________________________________________ S Rtf TH tfFtf Jp*"K9 Tf*S /Where the Numeral is absent the Advertise- B W JSrB BsB W S&xr ffltt B IS Oteir Bn \ment does not appear in the present issue Owing to the restriction* of paper supply, the “COLLIERY GUARDIAN PURCHASERS' GUIDE to ADVERTISERS' SPECIALTIES" is temporarily omitted, but is issued in pamphlet form and will be sent free on application to the offices, 3i>