American aircraft factories are al present making preparations to assure an increase in the production of planes in 1939, the United States Aeronautical Chamber of Commerce announced today Efforts will be concentrated particularly upon the number f workers in air factories. At present there are 37,000 such workers but this number l be doubled next year. Three eight-hour shifts will assure unlute rupted work in the pla Factories will not be enlarged, will i vested capital be i It is expected that production in the first six months of 1939 will reach $1,588,000,000 as against the $1,34 €00,000 predicted for the first six months this year.
About a third of this increase will be exported, thus doubling the $50.- 060,000 worth of exports expected this. year.
Nearly 85 per cen of the exporte
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