BAIRD &.TATLOCK (LONDON) LTD. 



Apparatus as described in Detmer Moore's " Practical Plant Physiology." 



4525 4530 



4524 Apparatus for the culture of plants in absence of CO.,. Fig. 18, page 53 . . 076 



4525 Apparatus for experimenting on assimilation. Fig. 19, page 54 . . 0150 



4526 Apparatus for the culture of plants in the absence of all nitrogenous compounds. Fig. 21, 



page 60 ......' 7 6 



4527 Washing Cylinder. Fig. 24, page 78 . . . . . . . . . . ..030 



4528 Apparatus for investigating the changes of temperature in freezing potatoes. Fig. 43, 



page 126 ....'046 



4529 Apparatus for investigating the influence of high temperature on seeds. Fig. 44, page 130 110 



4530 Object Glass for investigating the action of electric currents on plant structures. See 



illustration. Fig. 45, page 135 . . ..050 



4531 Induction Coil, in. spark. Fig. 46, page 136 .... 076 



4532 Four 1-litre Bichrome Cells. Fig. 47, page 136 .. . . . . 100 



4533 



4534 



4533 s Apparatus for measuring the external work performed by growing seeds. See illus- 

 tration. Fig, 49, page 142 . . . . . . . . . . . . ..1120 



4534 Apparatus for investigating pressure effects due to osmotic processes. See illustration. 



Fig. 50, page 144 . . . . . . . . . . . . . . . . 036 



4535 Apparatus for determining the amount of osmotic pressure. Fig. 51, page 154 .. .. 10 6 

 4536 s Unpolarisable Electrodes. Fig. 53, page 158 .. . . ..110 



4537 Apparatus for investigating the diffusion of gases. Fig 55, page 162 . . . . . . 076 



4538 Apparatus for investigating the permeability of capillaries to air. Fig. 62, page 174 . . 020 



ICHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS. 



829 



