BAIRD &L TATLOCK. (LONDON) LTD. 



3763 3764 3765 



763 Liebig's Potash Bulbs. Improved by Professor Dittmar 



764 Potash Bulbs, Liebig's 



765 Potash Bulbs, Mohr's 



766 Potash Bulbs, Mohr's, with calcium chloride tube, ground to fit 



3768 



3769 



3767 



'67 Potash Bulbs, new form . . . . . . . . . . . . . . each 020 



768 Potash Bulb, new and improved form, designed by Arthur Edwin Hill each, 3/- ; perdoz. 1 15 



'69 Potash Bulbs, Mohr's, with calcium chloride tube . . . . . . each 020 



3770 3771 3772 



'70 Potash Bulb, new pattern, with calcium chloride tube, 4^ by Jin. inside ground to fit .. 026 



71 Potash Bulbs, Ure's . . . . . . . . . . each 013 



^72 Potash Bulbs, Delisle, with aluminium foot, 10 grammes in weight .. .. 036 



715 



