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Made of No. 12 standard silk bolting cloth, 125 mesh per sq. inch 89 cm. Long net suspended by muslin reinforcement to a 24 cm. dia. ring. Three braided leaders attached to swivel front. Tail of bag with 2 cm. opening closed by trying cloth tape placing glass vial. 
Plastic, die moulded, compact, to hold slides 75x25 mm, vertically in pre-numbered grooves, provided with index card,
POTOMETER FARMER'S GBIO8031 
For measuring the rate of uptake of water by a cut plant shoot. The apparatus consists of a central reservoir with a three hole stopper holding a capillary tube graduated in millimeters, a funnel with stopcock and a short length of 10mm glass tubing, to hold the plant shoot. Reservoir 100 x 65mm height x diameter, capillary tube 390mm long 1mm bore, graduated 0-30mm x 1mm, funnel 25ml, Capillary bore 1mm. 
For investigating transpiration and water absorption by cut shoots. The apparatus comprises a glass cylinder stoppered at both ends, through the lower end of which is inserted a length of capillary tubing graduated in millimeters, the other end having a glass tube to which the cut shoot is attached by rubber tubing. A 2ml. syringe is provided for adjusting the air bubble position during setting up. Overall length approx. 390mm. Capillary bore 1mm. 
For demonstration of transpiration rates and rates of water absorption by a cut shoot under various external conditions. A plant shoot is sealed into a stopper which fits the end tube, and the whole apparatus is filled with water, the open end of the capillary tube, which is graduated in millimeter, dipping into a beaker of water. The position of the air bubble may easily be adjusted by opening the glass stopcock to admit water from the central reservior. The whole apparatus is mounted on a varnished wooden base by spring clips. Height to top of reservoir 170mm Diameter of reservoir 20mm Length, overall 320mm Base 20 x 80 mm length x width Capillary bore 1mm As above but on Bakelite Stand.
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