Barograph

RARE PRECISION OR MICRO-BAROGRAPH BY NEGRETTI & ZAMBRA NO R/12928 c1935
Archive Barograph Technology Vavasseur Archive
RARE PRECISION OR MICRO-BAROGRAPH BY NEGRETTI & ZAMBRA NO R/12928 c1935
BAROGRAPH ACCESSORIES AND CONSUMABLES
Barograph New and Updated
BAROGRAPH ACCESSORIES AND CONSUMABLES
SCARCE POCKET BAROGRAPH BY JULES RICHARD No 1471 c1910
Barograph New and Updated £1000+
SCARCE POCKET BAROGRAPH BY JULES RICHARD No 1471 c1910