... CAULKING CAST IRON SEGMENTS GROUTING WORKING CONDITIONS HEALTH DEATHS WORKERS CAISSONS DISEASES HUMIDITY CLIMATE HUMID SICKNESS DEPRESSIONS PRESSURE RIVER HOOGLY CALCUTTA INDIA ASIA The following Paper was submitted for discussion, and, on the motion of the President...

... were provided to warm the air before i t entered the air-washer, or whether means were provided for warming the water used for the sprays in the air-washer. Some such method for regulating the humidity of the air was generally found necessary in modern plenum plants, as objection to plenum systems...

...S B DONKIN; E R DOLBY; C T A HANSSEN; J A MACINTYRE; E L JOSELIN; J A SLATER; R E CRAMPTON © Thomas Telford and ICE 1929 MESSRS BOURNE & HOLLINGSWORTH ELECTRICAL HEATING VENTILATION BUILDINGS ELECTRICITY STORES SUPPLY TEMPERATURE HUMIDITY AIR CONTROL MOISTURE...

... of the plastic flow of concrete in compression. In that investigation would be included concretes of the threeprincipal types of cements a t present in use-ordinary Portland, rapid-hardening Portland,and high- aluminous cement. The-effects of age, loading, humidity, and stress were also to be examined. To enable...

... August, 1905. The averagedailytemperature in the subway -during thatweek was 83 4" F. ; in the streets78 * 2" ; difference 5 2". Averages for 18 weeks were given in Fig.24. The relative humidity was slight. Theactualweight,ortension, of aqueousvapour was practically the same in the New York subway...

...E CLARK © Thomas Telford and ICE 1868 MATERIALS DURABILITY CONSTRUCTION BUILDINGS DECAY HUMIDITY DAMP MOISTURE METALS RUST CORROSION ZINC COATINGS COPPER ACTION ROOFS 554 THE DURABILITY OF MATERIALS. May 12, 1868. CHARLES IIUTTON GREGORY, President, in the Chair...