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An Improved File Guard
1879
Scientific American
MARCH I, 1879.] lcitutifit �mtritau. Starvation In tbe Nurer,.. A OW PROTECTOR :rOR BOO K COVElUI. The London Lancet asserts as a fact of daily experience The device shown in the accompanying ling raving is for by physicians in that city, that large numbers of persons the temporary protection of the corners of books during occupying decent positions in society, systematically starve' handling, packing, and shipping. It is made of any thin their children in respect to that article of food which
doi:10.1038/scientificamerican03011879-131c
fatcat:cs5eo7s7ezhp5azcgg7ztch2re