1945 Michigan Tube Company - Pan Am promo



Operations on the flight deck of transocean Clippers involve the finest instruments and the highest skill. Flight deck orders are carried out through the use of hundreds of feet of seamless steel tubing in hydraulic control lines. In the structural frame work of the planes even more seamless steel tubing is found. Michigan Seamless Tube Company is proud of its record of participation in the maintenance of dependable service on world airways. 





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