Caption

Bourdon steel gauge

Credit line

Photo12/Liszt Collection

Reference

LZT10A00_357

License type

Rights managed

Available size

52,3Mb (2,6Mb) / 11,8in x 17,2in / 3539 x 5162 (300dpi)

Keywords

Bourdon steel gauge steel Bourdon gauge technology mechanical invention engraving 1867 1868 1869 19th century engraving