Razor

Catalogue No. 4011500/2

Selected soft wood in one piece. Pin can be easily pressed with the help of hand only. The frame edge 17mm deep with linseed oil protection.
Length 550 x Width 400 mm

Catalogue No. 4011820

This is a simplified form of Ganong’s Respirometer, with an inverted ‘U’ tube in place of the respiration chamber. Length 460mm, Utube diameter 20mm, pipette 1mL x 0.01mL.

Catalogue No. 4011750/2

For measurement of systolic and diastolic blood pressure of human beings in metabolic rate. Mercury type manometer, manually operated instrument, includes inflatable cuff-arm with Velcro, inflating rubber bulb bellow with non-return air valve having captive air bleed screw, all connected through flexible rubber tubing. Comes in a metal box.