I I STOCKERS AT I 1 Anckland, N.2.-G W. Wilton & Leeds.-Reynolds & Branson, Ltd. I Bdfast.-C. & J. MontgoE&yd Leicester'-J 'young ' I I I I II Birmingham-Standlev Belcher & Lincoln*-Banle' 'On ' I Mason Ltd. Liverpool.-Baird & Tatlock.Ltd. I1 Bhmingham.-Philli~ Harris 8~ Liverpool.-J. w. Towem ecr co., It Co.(1913). Ltd. LM. II Bombay.-Kemp & Co..Ltd. London.-Wm. Toogood, Ltd. II Bradford.-Harrison. Parkinson Manchester.-Bdrd & Tatlock.I & Co. Ltd. I I Bristo1.-Ferris & Co..Ltd. Manchester.-Orme & Ca. I I Cape Town, SA-Hevnes Manchester.-Scientific Glass I I Matthew. Ltd. Blowtnq Co. I 1I Dublin.-J. M. Maiben& Co..Ltd. Midd1esbrough.-Middleton & Co. II I Dublin.-Laboratorv Supplies Co.Newcastle-on-Tyne.-Brady & Martin, Ltd. IEdinburgh.-Baird &Tatlock. Ltd. Newcastle-on-Tyne.-Urwin & CoI I I G1asgow.-Baird & Tatlock, Ltd. Shemeid.-J. Preston. I II p Glasgow.-McQuilkin & Co. Stockton-on-Tees.-W. Finlayson.I G1asgow.-Thomson. Skinner & I Hamilton, Ltd. Sydney, AustraUa.--Elliott Brw.I I Huddersfle1d.-Ralph Cuthbert. Widnes.-J .W. Towers& Cn., Ltd. ?:I I Hull.-E. B. Atkinson & Co. Ltd. Wellington,N.Z.-G W Wilton & Co.. Ltd. I I Landore, S.W.-T. Dryden. York.-Bleasdale. Ltd. P. C I SOUTH AFRICAN AGENTS-I W.R. EVERETT, Ltd., Cape Town and Johannesburgh. e ESTABLISHED1828.) ENGLANn BRITISH MADE and best in the World; our-.range is the most extensive inthe world, meeting every requirement of the Analytical Chemist, Whatman Fir ter Pap~vshave.become, orr their own merits, the UNIVERSAL STANDARD il"r both hemispheres NOTE, THE eOv\rasH OFOUR DOUBLE ACiO WASHED FILTER PAPERS, AS SHOWN 8'6 THE FOLLOWING EXAMPLES :-No 42 -Very hard and of close texture. Theash ofa 12.5crn.crrclewe$hr;..000089grm. No 44-Gives the gveatest possible cikgree of accumcy. The ash of a 12.5cm, circle weighs .0060$grrn. Askyour hbordoy fim&er fornew ExpZanatory descriptiveBook& Awe LZst andfreesarnpZes ofaL?our ORDINARY GRADES EXTRACTION THIMBLES ASHLESS QUALITIES FOLDED FILTER PAPERS DIFFUSION SHELLS FAT FREE STRIPS BLACK FILTER PAPERS DROP REACTION PAPER ETC. ETC. Manufactured by W & R BALSTON, LIMITED, MAIOSTONE,KENT. Sole Mill Representatives: H.REEVE AlvGEL &C'? 9,BRIDEWELL PLACE, E.C.4. TheEssenceof News concerning the latest develop-ments in the Chemical Industry is recorded week by week in The Chemical Age 11 The Journal devoted to Industrial and Engineering Chemistry. Weekly 6d., or Yearly Subscrip- tion fl 1s. Thousands of regular readers knowand appreciate the value of this helpful trade organ-do you ? If not, write now for a specimen copy from The Subscription Manager, BENN BROTHERS, LTD., 8, Bouverie St., London, E.C. 4. ‘I