Big Ben wall-mounted manual aneroid device features a square face
High contrast scale layout for easy readability
Can be swiveled horizontally 65 to the left and right
Dimensions: 53 cm (20.87") dia. scale, stand height of 0.70 m (27.56") is adjustable to 1.20 m (47.24"), and spiral tube can be extended to 3 m (118.11") length