Document XOkYO2Q333dZ68ZYyw32wN3gd

Mellon Institute of Industrial Research 3 UNIVJ.MSITV of PlTTSBLKGH PROGRESS REPORT for the-week----------- ended. .y.trch-fr5,-i314 Subjects under which report is to be indexed ryr.'" tt v.' ___ Industrial Fellowship Nc.~c-5-+ 1 copies made: 1 - Mellon Institute 2 - Industrial ivriene file lust counts were made on samples from the Raybestos-Manhsttan Co. A survey was conducted for the Toledo Scale Company, Toledo, Ohio. A conference on dust counting was held with representatives of the S. X. ^ellman Co. in Cleveland, Ohio. R: Apr. 1, 1344 (3). Francis R. Holden Industrial Fellow FOUM 23 40M 4 001066