However, after the San Francisco Board of Health prevented him from selling unpasteurized juice, he devised the “Norwalk Juicer,” the first machine to extract juices. Dr. Walker, like other ...

We all have contradictions. I was a child who hated dusting on Saturday. However,  I lived in a house with many shelves. Each shelf held many tiny ornaments. Dusting? Bleaagh.Yet household hints ...