Negretti & Zambra - Gilt metal-cased pocket forecaster, Patent 6276/15 reading from 28 to 31-inches of pressure with three further windows for Rise, Fall and Steady, 52mm diameter excluding adjusting knob and loop suspender, in original wine hide pouch Condition: General dulling to gilt metal casing, very minor discolouration to silvered dial, otherwise generally sound. Needle responds to pressure under plastic bag test. **General condition consistent with age