Before revision: : for Paris foot a unique prime symbol ( ′ ), for Paris inch a double prime symbol ( ″ ) and for Paris line a triple prime symbol ( ‴ ), The Paris inch is longer than the English inch and the Vienna inch, although the Vienna inch was subdivided with a decimal, not 12 lines.warre.biobees.com/christ.pdf, Notes by David Heaf on Anweisung zur nützlichen and angenehmen Bienenzucht für alle Gegenden by Pfarrer Johann Ludwig Christ (1739-1813) Rodheim, Hessen, Germany A famous measurement made using the Paris inch is the lens measurement of the first great refractor telescope, the Dorpat Great Refractor, also known as the Fraunhofer 9-inch.
After revision: : for Paris foot a single prime symbol ( ′ ), for Paris inch a double prime symbol ( ″ ) and for Paris line a triple prime symbol ( ‴ ), The Paris inch is longer than the English inch and the Vienna inch, although the Vienna inch was subdivided with a decimal, not 12 lines.warre.biobees.com/christ.pdf, Notes by David Heaf on Anweisung zur nützlichen and angenehmen Bienenzucht für alle Gegenden by Pfarrer Johann Ludwig Christ (1739-1813) Rodheim, Hessen, Germany A famous measurement made using the Paris inch is the lens measurement of the first great refractor telescope, the Dorpat Great Refractor, also known as the Fraunhofer 9-inch.