Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 730
in molasses diluted with a little water. I hey are againbaked in an ordinary oven and afterward carbonized in themanner already described. This latter process of boiling insirup and recarbonizing is repeated until the required den-sity is secured. As some gases are given off during carbonization,… … Carbonizing Box. wood of the thickness of thecarbon plate to be made, anda thick plate of sheet iron.The iron should be oiled orsmeared with grease beforethe mould is filled. The car-bon and flour mixture is press-ed into the mould smoothly,the wooden pieces are re-moved, and the carbon is left…
Physics · Lantern projection · Electric apparatus and appliances
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