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
more » ... s most i sheet metal in the form shown in Fig. 1 , and it is applied essential to their nutrition. We have reason to fear that the! by binding the part B down over the palt A, along the practice is not unlmown in the nurseries of well-to·do peodotted line, and bending the part B' over it so as to pIe here. So far as our observation goes, however, the practice is attributable wholly to popular ignorance of the needs
doi:10.1038/scientificamerican03011879-131c fatcat:cs5eo7s7ezhp5azcgg7ztch2re