The North British Locomotive Company has recently completed and tested the tirst steam turbine locomo tive, and it is said to be entirely successful. The great shops of the Pennsylvania Railroad Com pany at Altoona, employing 12,000 men, are now work ing full time. This-is the first time since the financial depression of 1\107 that all departments of the great shops have been operated. A non-shrinking alloy can be produced by melti!lg together 50 pounds of tin and 50 pounds of zinc. This gives a hard alloy if a good grade of zinc is used.