The railway guillotine for making it inconvenient for the enemy to use our railways in case of invasionSH119
Some of our new sixth columnists frustrating a dastardly attempt by the fifth column to tamper with a railway signalSH127
One of the first mobile location detectors designed for hilly country operating in the Welsh mountainsSH128
Foul Tactics: Heath Robinson reveals the secret of the capture of a boiling fowl by means of a skilfully executed pincer movement strongly supported by fighter aircraft.SH134
Wily ruse of Italian navy – Knowing British predilection for ice creamn luring a battleship to destructionSH137