Sperry Aircraft Gyropilot Operation and Installation Manual 1936 B-52 laws for workers made the

laws for workers made the worker a true slave of the capitalist state

a mixture of anti-freeze could be used instead of water

The 8 inch by 10 inch booklet is in good condition given its age

it is our judgement that these are not reproductions

Above this altitude an A-13A or A-14 oxygen mask were used

Sperry Aircraft Gyropilot Operation and Installation Manual 1936 B-52 laws for workers made theThis is an authentic reference Instructions for Operation and Installation of the Sperry Aircraft Gyropilot, Instructions No. 15 726A dated November 1936. The Gyropilot was an early automatic pilot system developed by Sperry which quickly became the standard system for private, commercial, and military aircraft of the day and during early WWII. It is in exceptional (i. e., very good) condition for its age. The cover is a thick index card stock which