on at each operation, consistently with a proper covering of the ground, the better will the ultimate result be."  "Less paint and more painting," he impresses as a need "to quite 90 per cent. of painter students."  "The under coats should dry more quickly and be harder than those above them, and the difference in drying between two adjoining coats should not be very great."

We have made numbers of experiments that give to us ocular demonstrations of the fact that a first coating of good red-lead paint, covered by a layer of good carbon or ferric oxide paint, will prevent corrosion for a much greater period than two coatings of any one kind of paint.

To secure durability with paint it should always be used fairly thick, and then well rubbed out under the brush into thin and even  layers.  If  not  well brushed it will