S. D. Warren Paper Mill Photograph Collection — Machinery
Title: Narrow Gauge Train Date: ca. 1900 Item No. SDW.003.2.1 Photographer/Studio: Unknown Size: 21 x 16 cm Process: Albumen Print Mounting Data: Mounted on 31 x 26 cm. card Description: Narrow gauge train. Used inside mill for trucking. In use for many years. Discontinued about 1910. Used in wood yard until 1946. |
Title: Steam Engines
Date: ca. 1915 Item No. SDW.003.37.1 Photographer/Studio: Mill photographer Size: 20 x 12 cm Process: Albumen Print Mounting Data: Flush mounted on card Description: "No. 14 - Steam Engines. This is a double piston steam engine which drove No. 14 paper machine with a multiple strand series of rope drive. No. 14 paper machine was installed ca. 1915. |
Title: Rotary Converters
Date: 1915 Item No. SDW.003.39.1 Photographer/Studio: Mill photographer Size: 12 x 9 cm Process: Gelatin Silver Print Mounting Data: Flush mounted on card Description: "Rotary Converter electrolytic plant S. D. Warren & Co. Mar ~ 1915" printed on back. Changes Ac to DC to make chlorine gas from electrolytic cells. |
Title: Carmichael Process
Date: 1915 Item No. SDW.003.40.1 Photographer/Studio: Mill photographer Size: 12 x 9 cm Process: Albumen Print Mounting Data: Flush mounted on card Description: The Carmichael electrolytic cell process was replaced with an "Allen-Moore" type cell. Passage of electricity through the cells broke down salt water into hydrogen and chlorine. Chlorine was recovered & hydrodgen rejected into the atmosphere. |
Title: Battery of Warren Filter
Date: 1900 Item No. SDW.003.46.1 Photographer/Studio: Mill photographer Size: 24 x 18 cm Process: Albumen Print Mounting Data: Flush mounted on card Description: The Warren Filter was designed by Joseph E. Warren. A similar battery of identical filters were still in use at Cumberland Mills in 1974. |