Records growth of a plant as a series of horizontal traces, the gap between which represents one hour’s growth. The recording lever has 3 notches giving x5, x7 and x10 magnifications and is mounted on an adjustable pillar to adjust its height and pressure on the pencil tip. The recording drum has...
For analysis of air and expired gases. A graduated burette tube with rubber stopper at one end and a glass tube connected to rubber tubing fitted into a mohr clip. The other end is closed by a suba-seal stopper.
The ESAW Respiroscope is a compact and reliable laboratory apparatus designed to study respiration in small organisms by comparing the rates of gas absorption or evolution. This export-quality unit features two stoppered boiling tubes connected by three-way taps at either end of a precision manom...
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 measuring and analysing gas given off by plants.Comprises a 1 mm bore capillary tube graduated 0-10 cm in mms and connected to two 2 ml syringes. The gas can be drawn along the capillary by one syringe and collected into the other for analysis, mounted on board.
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.