 He proposed calling his base unit of length a "foot" which he suggested should be either or of the length of a pendulum that had a period of one second – that is or of the "standard" proposed by Wilkins over a century previously.This would have equated to 11.755 English inches (29.8 cm) or 13.06 English inches (33.1 cm).Like Wilkins, the names that he proposed for multiples and subunits of his base units of measure were the names of units of measure that were in use at the time.