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

Apparatus for Investigating Pressure Effects Due to Osmotic Pressure

Pfeiffer’s, complete, as illustrated.

For determining the pressure exerted by the sap flowing from a stem stump. Manometer graduated 0 to 200 x 1 mm, for attachment by means of rubber tube or tape to the cut stem of a plant growing vigorously in wet soil.

T-Tube with stopcock and graduated jar, without flowerpot.

Wooden, flat type, with hinged cover flap, to carry 20 slides in flat position in 20 serially numbered compartments, useful for carrying prepared slides to the class or to field.

Dual purpose, made out of thick anodised aluminium sheet, die pressed, useful for staining slides in flat position and also for drying freshly prepared slides, in horizontal or vertical position in incubator, capacity 20 slides.

Die-pressed anodised aluminium sheet designed to hold 20 slides in flat position, can be used in incubator for drying slides and also to store mounted slides in a flat position.

Plastic, for 2 slides.