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