In 1983 he wrote a scientific sequel to his first book and developed some modifications of the mercury barometer system .
In 1978 Bolle wrote a book titled Barometers , which was translated into German and English .
In 1983 Bolle wrote a scientific sequel to Bolle 's first book and developed some modifications of the mercury barometer system .
In 1978 Bolle wrote a book titled Barometers , which was translated into German and English .