an, Jr., 229 Congress street, Port- Cement for Rooms. land, Me., is the agent for the same. An invention by M. Sorel, of Paris, is stated to be HOW TO SHRINK COLLARS ON A SHAFT. superior to plaster of Paris for coating the walls of TOOL FOB DRAWING BROKEN PUMP. RODS. In forging heavy shafts for… … deal of trouble. A very neat way of putting them on and mix the two solutions; the liquid will assume a and will be found serviceable. beautiful green color. Three drachms of this are by shrinking is shown in the accompanying engrav- sufficient for dyeing intensely two pounds and a half ings, in…
Patents · Munn · Combination · Tools · Claim · Scientific American · Address · Patent law · American patent · Patent office · Cast Iron · Purposes set · Tapering oval · Purpose set · Address munn · Wrought iron
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