No. J O 6145.
Oak, Walnut or Mahogany, with Sheet Glass Cover, and supply of charts for one year, as illustration. Price £4 0 0
No. J O 6146. DIAL BAROGRAPH.
This instrument combines with the record of the Barograph Chart the dial readings of an ordinary Aneroid Barometer; both are actuated by the same movement of the pen upon the Chart and the hand on the Dial, giving the same indications. Oak, Walnut or Mahogany, with Bevelled Plate Glasses and Chart Drawer at base, with supply of charts for one year. Price £5 15 0
No. J O 6147.
Oak, Walnut or Mahogany, with Bevelled Plate Glasses, and front opening drawer, two divisions for taking used and unused charts, complete with supply of charts for one year, as illustration. Price £5 0 0
No. J O 6148.