. Memoirs and proceedings of the Manchester Literary & Philosophical Society. per gallon of AS4O6, whenusing 50 1. Ordinary Marsh test method (without special cooling). 2. Enclosed in a steam jacket from (a) to (I?), and cooled with cold water at (c). 3. With current of water at 5o°C. passing over the outside of the tube between (d) and (e). 4. With current of water at i5°C. passing over the outside of the tube between (f) and (g). Plate II. 77\. 4. Standard bore tubes, using 50 with different ijuanlities of As^Oe. Cooling 5. Arsenic mirrors before exposure to the light,
. Memoirs and proceedings of the Manchester Literary & Philosophical Society. per gallon of AS4O6, whenusing 50 1. Ordinary Marsh test method (without special cooling). 2. Enclosed in a steam jacket from (a) to (I?), and cooled with cold water at (c). 3. With current of water at 5o°C. passing over the outside of the tube between (d) and (e). 4. With current of water at i5°C. passing over the outside of the tube between (f) and (g). Plate II. 77\. 4. Standard bore tubes, using 50 with different ijuanlities of As^Oe. Cooling 5. Arsenic mirrors before exposure to the light, .^outh gr. per gallon AS4O6 using 50 Fig. 6. The same mirrors seen in Fig. 5, after exposure to thelight for six weeks. Fig. 7. Photographs of five pairs of arsenic deposits, made byold method, respectively unsealed, and sealed in air,hydrogen, nitrogen, and carbon dioxide. ^ Jo^h gr. pergallon using 50 Fig. 8. Photogra|)hs of same after the right hand one of eachpair had been exposed to the light for six weeks. Manchester Memoirs, Vol. XL VIL, Xo. IS. Plate Pis. r. m \) \}] #• ? I ? ? r^; r/^ Fig. 2.
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Keywords: ., bookauthormanchest, bookcentury1800, bookdecade1880, bookyear1888
