Sometimes authors of historical fiction can be accused of stretching credibility too far, but often truth is stranger than fiction. I was tempted (when writing Sabrina's Teardrop in particular) to put a couple of gadgets at Chard's disposal but restrained myself. Here's one which was considered, brought to my attention via a post by one of my favourite sites (the Virtual Museum of Police in Wales. )some time ago :- This newspaper article comes from 1897........................ BETTER THAN THE TRUNCHEON. In the midst of the discussion as to the best means of dealing with the street ruffian, Mr. Frank Garrett, of Armscote Manor, Stratford, appropriately puts forward the claims of a new weapon, which he has patented, and which he suggests should be placed in the hands of every policeman. Mr. Garrett's invention is a small revolver-shaped instrument, which discharge fluid instead of lead, and the idea is to disable the assailant by directing the charge into the eyes. It...