To measure the quantity of water absorbed and given off by a transpiring plant. Consists of a glass vessel 250 x 50 mm with rubber stopper at top & a side tube graduated 0-15 cm x 1 cm.

For measuring and sampling gas given off by aquatic plants e.g. Elodea. Comprises a bulb tube graduated 0 to 150 mm into which the cut end of the shoot is inserted. A 5 ml syringe is provided at top to draw gas collected in the burette for analysis. Overall height 300 mm.

Apparatus to measure absorption of water by transpiring plants, Comprising a glass tube with upper end of straight limb closed with rubber stopper, lower end of the limb is fitted with a bored rubber stopper to take length of capillary tubing.

A glass tube 15 mm dia with a side arm leading to a thistle funnel in rubber tubing has both its ends tapered and bent at right angles. One end would accept plant stem and the other is connected to a capillarity tube with mm scale, mounted on an L shaped stand.

A reservoir with 3 hole stopper for holding a graduated capillary tube 390 mm long, a short length of 10 mm dia glass tube to hold plant shoot and a funnel of 25 ml with a stopcock.

To demonstrate rates of transpiration and of water absorption by a cut shoot, with a graduated capillary tube bent down at right angle at one end with a small orifice and having water reservoir with glass stopcock and the end tube with rubber stopper for the plant shoot at the other end, on base.

To demonstrate rates of transpiration and of water absorption by a cut shoot, with a graduated capillary tube bent down at right angle at one end with a small orifice and having water reservoir with glass stopcock and the end tube with rubber stopper for the plant shoot at the other end, on base.

For investigating transpiration. Measures the uptake of water by a cut plant shoot. The cut shoot may be replaced by a porous pot filled with water which enables measurement of the rate of evaporation from a moist surface, thus giving indication of relative humidity. Comprises a capillary tube wi...

On base, with jar for seeds, pointer and scale.