Yet his early military education could have consisted at most of the perusal of the Swedish Intelligencer and the practice of riding.
Having settled at Cambridge in 1796, Gregory first acted as sub-editor on the Cambridge Intelligencer, and then opened a bookseller's shop. In 1802 he obtained an appointment as mathematical master at Woolwich through the influence of Charles Hutton, to whose notice he had been brought by a manuscript on the "Use of the Sliding Rule"; and when Hutton resigned in 1807 Gregory succeeded him in the professorship. Failing health obliged him to retire in 1838, and he died at Woolwich on the 2nd of February 1841.
Besides his commercial value to Cromwell, Carvajal was politically useful also, for he acted as "intelligencer."
In April 1732 the leading metropolitan publishers, jealous of the interloper Cave, started the London Magazine, or Gentleman's Monthly Intelligencer (1732-1784), which had a long and prosperous career.
Cave appears to have been the first 2 The first series of the Gentleman's Magazine or Trader's Monthly Intelligencer, extended from January 1731 to December 1 735, 5 vols.; the Gentleman's Magazine and Historical Chronicle from January 1736 to December 1807, vols.
