A 19th century brass Fr. pocket barometer, thermometer and compass travelling compendiumengraved instrument de precision, contained within a fitted leather casewidth 10cm x 6.5cm closedCondition: Two screws missing to one side of the brass plate holding the instruments to the leather case. One screw missing holding the thermometer to brass plate. Leather case with some scuffing commensurate with age and use. one corner slightly more worn than others.