The Crossroads of the Aether
From Dr Algernon Crupper's Laboratory.
This self-winding automata is fitted with a listening device and is small and discreet enough to be concealed in a great-coat pocket, or lady's muff, and slipped under the sofa. It will tend to remain in the shadows and is sensitive enough to pick up all but the quietest of conversations. Discover the darkest plots of enemy nations, listen to the prattle of your servants. or verify the fidelity of your wife. Its uses are only limited by your imagination.
Dr Algernon Crupper
My signature is my guarantee.
Do not use at depths below 20,000 leagues.
(Tutorial and amusing craft epic fail available on my blog. http://gaslightandgilt.blogspot.com/ I'll read yours if you read mine.)