ICELESS REFRIGERATION. REFRIGERATOR COMPLETE WITH TANK UNCOVERED. A WEATHERBOARD GAGE. CROSS-SECTIONAL VIEW OF REFRIGERATOR. QUICK MEANS FOR FINDING THE CENTER OF SHAFTS. A HOME-MADE SAW VISE. A HOME-MADE SAW VISE. HOW TO KEEP A MILK BOTTLE COOL. CLOTH REMOVED TO SHOW THE ZINC BOX. A WEATHERBOARD GAGE., scientific american, -1909-07-11

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