15. Agate mortars and pestles (8). 



E. 21 to 28. 1877. Made by H. Stern, Oberstein. 



16. Plattner's diamond mortar, in steel. No. 1, with 

 brass capsule. No. 2, without capsule. 



E. 134 and 135. 1877. Made by A. Herbst, Berlin. 



17. Percolator with stopper. Price 3s. Aspirator 

 with stopcock and stopper. Price 8s. 6d. 



1886. Exhibited by J. Orme $ Co. 



18. Separators (3), 6 oz., 10 oz., and 20 oz. sizes. All 

 fitted with stoppers and glass stopcocks. Prices 2s. 6d. 9 

 3s., and 5s. 6d. Presenius tube. Price 2s. 6d. [} -tubes 

 (2), with glass stoppers, with outlets through stopper 

 on one limb, and with side tube introduced below 

 solid stopper on the other limb. Prices 2s. and 3s. 6d. 

 Specimen jars (5) of different shapes and sizes, for 

 exhibiting specimens. -Prices Is. to 6s. 



1886. Exhibited by Townson fy Mercer. 



19. Mercury trough. Gas bags (2). 



1890. Exhibited by J. Preston (late Cubley & Preston). 



20. Support, stoneware, with six holes for holding test 

 tubes in position in a bath of water, &c. Price 6d. 

 Wood blocks of mahogany (6), circular, and of 

 different thicknesses for raising objects. Price 3s. 6d. 

 the set. Raising table, 6 in. diameter. Price 3s. 



1886. Exhibited by Townson fy Mercer. 



21. WoulfFs bottle. 



From the Pedagogical Museum, St. Petersburg. 

 E. 742. 1877. 



22. Woulff's bottle, 48 oz., three-necked, glass stop- 

 pered, with tubes through two of the stoppers. Price 5s. 

 Wash bottles (2), an ordinary 40 oz. wash bottle pro- 

 vided with removable handle for lifting when hot, and 

 Allihn's, with glass stopper in place of cork. Prices, 

 Allihn's 4s., the 40 oz., 2s. Gas wash bottles, 20 oz., with 

 stoppered tube ; Hahman's 12 oz. ; and Habermann's 

 bottle. Prices 5s., 2s. 6d. 9 and Is. 9d. 



1886. Exhibited by Toivnson fy Mercer. 



