Alan Twyman's book mentioned that Dr. Weekes was baptised on March 7th, 1790 and that his laboratory was situated in Sandwich High Street. Although his age was incorrect, I decided to click to view the original image.
The book also mentioned that for one of his experiments, Dr. Weekes had strung an insulated wire from the tower of the church of St Peter's to the tower of the church of St Clement's and had arranged a connection from the centre of the wire, via a neighbour's chimney, to his laboratory, at 43 High Street.
From that piece of information, I deduced that the High Street must have been part of St Peter or St Clement's Parish.
Although his age was not accurately recorded as he should have been 50 not 45 (typical of the five year accuracy of census material), the rest of the information left me in no doubt that I had finally found my man...