An item about codes and cyphers through the ages.
No title - cyphers.
Location of events unknown.
M/S of young woman pretending to be a spy smoking a cigarette. M/S as she leans over an older man who is writing at a desk, she pulls orders out of his pocket without him noticing and puts them in her garter. M/S as her accomplice holds a lighter underneath the blank paper to make the writing appear. It turns out to be horse racing odds. Various shots of a scene representing code in ancient Greece when a belt was brought and wrapped around the wrist several times to reveal the message.
M/S as a brush is dipped in milk bottle, someone writes with it on a piece of paper then rubs ash in to make it visible. M/S of a diagram showing codes, then another of a cypher where letters are changed. M/S of Grille cypher with latticed frame which blocks out certain letters to give the message. M/S of a copy of William Shakespeare's 'Love's Labour's Lost' suggesting it was written by Francis Bacon because his name is spelt out in some of the text.
Various shots of a young woman doing shorthand. M/S of another with sun proof liquid on her back, when she tans under a lamp the message comes up. Various shots of flags spelling out 'England expects every man to do his duty.' Various shots the navy firing guns, and merchant navy sailing.