A nice example of a Negretti & Zambra barograph in need of a small amount of TLC. The mechanism works fine, all it requires is some reviving of the wood and some of the metal work.
It also requires a new arm but that will also be supplied with the barograph and within the price. The item "OAK BAROGRAPH BY NEGRETTI & ZAMBRA" is in sale since Wednesday, October 3, 2018.This item is in the category "Collectables\Scientific Collectables\Scientific Instruments\Barometers". The seller is "jacotigger" and is located in Newbury. This item can be shipped worldwide.