464 OCCUPATIONAL TUMORS AND ALLIED DISEASES Hampeln, P.* Mitt. a.d.

486 OCCUPATIONAL TUMORS AND ALLIED DISEASES off the acetyl group.

FILE NAME: Railroads (RR) DATE: 1926 DOC#: RR068 DOCUMENT DESCRIPTION: Trade Journal Article - Many Uses Found for Zonolite '.

FILE NAME Manville JMA DATE 1929-1952 DOC JMA258 DOCUMENT DESCRIPTION Lanza Correspondence Reference Departmn their way through the mask thus " ineffectiveness of masks that June 1981 ment is made a copy of which we masks are not Workman from the perils of breathing C J.

FILE NAME: General Electric (GE) DATE: 1929 Sept 21 DOC#: GE114 DOCUMENT DESCRIPTION: Letter to Dr.

American Society of Heating and Ventilating Engineers Guide, 1926-27 Table 2.

American Society of Heating and Ventilating Engineers Guide, 1926-27 American Society of Heating and Ventilating Engineers Guide, 1926-27 able 6.

American Society of Heating and Ventilating Engineers Guide, 1926-27 z oo IL e n g t h nches 5 10 15 20 25 30 35 40 45 50 IT a b le 27.

IT able 43.

American Society of Heating and Ventilating Engineers Guide, 1928 Table 6-H.

-'ps: American Society of Heating and Ventilating Engineers Guide, 1928 Chapter; I--Calculating the Heat Losses from Buildings The air temperature just below roof is higher than that at the breathing line.

.American Society of Heating and Ventilating Engineers Guide, 1928 drying.

American Society of Heating and Ventilating Engineers Guide, 1928 FOREIGN COUNTRIES CANADA Birrell, A.

American Society of Heating and Ventilating Engineers Guide, 1929 Table 10-C.

American Society of Heating and Ventilating Engineers Guide, 1929 Fig. 9.