E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Once noted for an anatomical school, over which Sir Astley Cooper presided. Here resurrectionists were sure to find a ready mart for their gruesome wares, for which they received sums of money varying from £3 to £10, and sometimes more. Such phrases going to Blenheim Steps, meant going to be dissected, or unearthed from ones grave.