AVRO Instruction Book for the AVRO 'Trainer' Type 621 AVRO Instruction Book for the AVRO 'Trainer' Type 621
'AVRO Instrustion Book for the 'Trainer' Type 621 with notes on rigging, maintenance and repair'
First edition February, 1931
Copyright Reserved
Published by A.V. Roe & Co., Ltd, 166 Piccadilly, London W1
In excellent condition.