Small, Sidney Aylmer, 1876- [from old catalog] · Chicago, F. J. Drake & co · leaf 236
olving, for it gets very hotand might crack the jar. Be very careful not to getcaustic potash on your flesh. It not only burns ter-ribly, but makes a wound which is very hard to heal. If you buy potash by bulk, make the solution up to1.33 on specific gravity scale or 380 on the Baumescale. CAUSTIC… … Fig. 119. Edison-Lalande Cell. If buying oil by bulk, get a heavy paraffin oil whichwill read 1.46 specific gravity on 480 Baume and poura l/\ inch layer on each cell. These are good cells, but any sulphuric acid or caus-tic potash cell is a nasty thing to handle. The action of the cell dissolves…
Electricity
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