Bottle, Canada Balsam

Catalogue No. 4012150

Comprises glass tube with upper end of straight limb closed with rubber stopper, lower end of limb with bored rubber stopper to take length of capillary tubing.

Catalogue No. 4011900

To measure the quantity of water given off by a plant. Consists of a glass vessel 250mm x 50mm (height x diameter), with a side tube graduated 0 to 15cm x 1mm.

Catalogue No. 4012050

Comprises a narrow bore bent glass tube clipped to a scale 0 to 30cm x 1mm and fitted by a rubber stopper in a wide mouth bottle. The stopper is also fitted with a dropping funnel and has a
hole to take the stem of a plant.