Contributed by Mrs. L. H. Atwell, Kissimmee, Florida.
Use Chalk on Files
If a little chalk is rubbed on a file before filing steel, it will keep the chips from sticking in the cuts on the file and scratching the work.
A Homemade Steam Turbine
By William H. Warnecke
Details of the Turbine
Procure some brass, about 3/16 in. thick and 4 in. square; 53 steel pens, not over 1/4 in. in width at the shank; two enameled, or tin, saucers or pans, having a diameter on the inside part of about 4-1/2 in.; two stopcocks with 1/8 in. holes; one shaft; some pieces of brass, 1/4 in. thick, and several 1/8-in. machine screws.