Abraham Brook was an English a bookseller in Norwich

Norwich

Norwich is a city in England. It is the regional administrative centre and county town of Norfolk. During the 11th century, Norwich was the largest city in England after London, and one of the most important places in the kingdom...

, now remembered as an experimental physicist, working with electrometer

Electrometer

An electrometer is an electrical instrument for measuring electric charge or electrical potential difference. There are many different types, ranging from historical hand-made mechanical instruments to high-precision electronic devices...

s and vacuum flasks.

Works

He published at Norwich in 1789 a quarto volume of Miscellaneous Experiments and Remarks on Electricity, the Air Pump, and the Barometer, with a description of an Electrometer of a new construction. The work was translated into German and published at Leipzig in 1790. A paper by him, Of a new Electrometer, appeared in the Philosophical Transactions (abridg. xv. 308), 1782. Acknowledgement of Brook's practical ability is in the same volume (p. 702) in an article by William Morgan: 'I cannot conclude this paper,' he says, 'without acknowledging my obligations to the ingenious Mr. Brook of Norwich, who, by communicating to me his method of boiling mercury, has been the chief cause of my success in these experiments.'