He invented a shorthand system that became popular, in particular, in New England, where it was used to record the Salem witch trials.
[1] A professional writer and teacher of shorthand, Metcalfe in 1645 resided in the London parish of St Katharine's by the Tower.
Many editions of the system appeared under the title of Short Writing: the most easie, exact, lineall, and speedy Method that hath ever yet been obtained or taught by any in this Kingdome.
[3] A copy of the Bible written in Metcalfe's system by William Holder, and completed in 1668, is in the British Library.
[1][3] The numbering of later editions, from the 19th of 1679 reflects no more than different printings taken from the same plates, engraved by Frederick Henry Van Hove of Haarlem.