The device was supplied with manuals that replicated the look and feel of Air Publications.
2.
Two " Popotan " reference books have been released, published by Petit Ferret and SoftBank Publishing, and distributed by Raspberry Books; and by Air Publications.
3.
Throughout World War II he was employed by the Ministry of Aircraft Production at Farnborough working on Air Publications, but he kept " Motor Sport " going in his spare time for the duration.