BAIR.D &TATLOCK (LONDON) LTD. 



5215 5216 5217 5219 



5215 Graduated Flask, for testing the specific gravity of hydraulic cements, as devised by 



Messrs. Stanger & Blount . . . . . . . . . . . . ..020 



(See Journal of Society of Chemical Industry, No. 5, vol. xiii., p. 455.) 



5216 Graduated Flask, modified form, designed by Mr. A. D. Leipper . . . . . . 026 



5217 Mann's Cement Testing Apparatus, burette, flask and case, with holder and counterpoise 110 



5218 Schumann's Cement Testing Apparatus . . ..046 



5219 Schumann's Cement Testing Apparatus, improved form . . ..076 



5220 5221 



5220 Le Chatelier Gauge, for testing cement (standard pattern) . . each, 2/- ; per doz. 130 



5221 s Bath, copper, to hold I doz. Le Chatelier moulds, Fig. No. 5220, with loose holder and 



iron stand . 200 



(CHEMICAL, AND SCIENTIFIC APPARATUS AND PURE CHEMICALS- 



