his is an imposing barograph by Negretti & Zambra of London and known as the Regency model. At 420mm it is wider than the standard format barograph. Described in their 1950s trade catalogue as '....an instrument of the very high quality and finish, suitable for presentation, public display etc., Nine capsule tempered steel aneroid movement, temperature compensated.' The barograph case is finished in polished oak and has a lift-off lid with bevelled edged glass. There is a chart drawer to the base. Six months supply of charts supplied together with a fresh bottle of recording ink.