RAIRD &TATLOCK (LONDON) LTD. 



3276 s Twaddell's Hydrometers, superior quality with ivory scales, Nos. i, 2, and 3 . . per doz. 



3277 s Twaddell's Hydrometers ,. Nos. 4, 5, and 6 . . 



3278 s Twaddell's Hydrometers, standard quality, Nos. i to 6, 12 in. long divided in Jths each 



3279 s Twaddell's Hydrometers, set of six standard quality, 12 in. long in Iths with etched 

 stem thermometer and jar with foot in polished mahogany box . . per set 



3280 s Twaddell's Hydrometers as above, in smaller box with jar separate . . . . per set 



3281 s Twaddell's Hydrometers as above, small size, 9 in., no foot to jar in box .. per set 

 3282 National Physical Laboratory Certificates for sets 3279-3281 . . . . extra 



3283 s Twaddell's Hydrometers, o-io in T Vths, standard quality, for gas liquor, 12 in. long each 

 3284 s Twaddell's Hydrometers, ordinary quality, ditto, 9 in., in Iths . . . . 



3285 s Twaddell's Hydrometers, patent bulbs, set of six, Nos. i to 6, in cheap polished 

 mahogany box with flat lid, cloth covered fittings . . . . . . . . per set 



3286 s Twaddell's Hydrometers as above, with etched stem thermometer and jar in the box 



3287 s Alcoholometer, Gay Lussac or Tralles, o-ioo per cent. 



3288 s Alcoholometer, Cartier's, 10-45 



3289 s Alcoholometer, Gay Lussac, Tralles, or Cartier's, with thermometer in the bulb 



3290 s Brineometers, o-ioo per cent, of brine 



3291 s Brineometers, 1000-1300 sp.gr... 



3292 s Acetometers, for vinegar testing, o-ioo sp. gr. 



3293 s Ammoniameters, 0-40, paper scales 



3294 s Accumulator Hydrometers, ordinary flat bulb, 9 in. long, 1000-1250 each, 3/6 ; 



3295 s Accumulator Hydrometers ,, ,, 6 ,, ,, 



3296 s Accumulator Hydrometers, pipette type, with rubber ball and pipe 



3297 s Beads, Specific Gravity, any strength between 750-1600 



Other gravities special prices. 



3298 s Beads, Specific Gravity, spirit beads, set of 12, numbered corresponding to 35 O.P. 

 20 U.P. .. .. .. .. .. .. .. .. per set 



3299 s Beads, Specific Gravity, set of 18, 50 O.P. 35 U.P. 

 3300 s Beads, Specific Gravity, set of 24, 65 O.P. 50 U.P. 

 3301 s Cider Hydrometers, showing 1000-1100 sp. gr. and alcohol scale each, 3/- ; per doz. 



15 



066 

 10 6 

 14 

 1 13 



CROSS STREET HATT9TST GARDETST, E- 



620 



