Late Victorian Tipping Bucket Recording Rain Gauge by Callaghan & Co of London Callaghan & Co They were of course not

They were of course not the only instrument makers to benefit from Martin’s demise

What is interesting however

The downwards action provided by the foot or leg of the musician releases the arm held in position to the right and it travels to the left-hand side thus revealing the next page

The centre contains an expertly engraved and silvered compass with a brass catch to hold or release the movement and two sides of the outer edge are provided with a glass level housed in protective brass cases

Late Victorian Tipping Bucket Recording Rain Gauge by Callaghan & Co of London Callaghan & Co They were of course notFor sale, a late Victorian tipping bucket recording rain gauge by Callaghan & Co of 23a New bond Street, London. Comprised of a black painted two part zinc case with a graduated base and graduated lift off cover with central hole and siphon to receive rainfall and deliver it to an internal tipping bucket mechanism. An unusually pristine opaline glass dial measures an inch of rainfall around the outer circumference, with a secondary centre dial