6. Glass gasometer. 



Made by W. J. Rohrbeck, J. F. Luhme fy Co., Berlin, 

 E. 270. 1877. (Dr. H. Rohrbeck). 



The apparatus consists of a glass gas reservoir, communi- 

 cating by two brass pipes fitted with stopcocks, with a glass 

 water reservoir above. One pipe leading to the bottom of the 

 gas reservoir is for admitting water to drive out the gas, the 

 other is finished off level with the top of the gas reservoir. The 

 exit pipe for the gas is fitted with a tapering nozzle. The gas 

 reservoir is furnished with a large tube at the bottom, closed 

 with a screw cap, by which to empty it when full of water. 



7. Set of beakers, without lip, 16 in the set, up to 

 280 mm. 



Made by Warmbrunn, Quilitz, fy Co., Berlin. 

 E. 143. 1877. 



1-16 1-12 1-8 1-5 



8. Set of beakers, not lipped, No. ^ > ^ > =p > -y- 



set. 



Made by Warmbrunn, Quilitz, fy Co., Berlin. 

 E. 144. 1877. 



9. Sets of beakers, lipped, No. , - , -y-, -y- set. 



Made by Warmbrunn, Quilitz, fy Co., Berlin. 

 E. 145. 1877. 



10. Series of funnels, 10 pieces from 30 to 130 mm. 

 diameter. 



Made by Warmbrunn, Quilitz, fy Co., Berlin. 

 E. 146 to 155. 1877. 



11. Bottle with etched label and cut stopper. Price 

 2s. 9d. Bottle with sand-blasted label and cut stopper. 

 Price 3s. 



1886. Exhibited by Townson $ Mercer. 



12. Cabinet with 26 bottles for re-agents. Price 

 2L 17s. 6d. 



1876. Exhibited by J. Orme fy Co. 



13. Glass jar for mercury, provided with glass stopcock. 



Made by Warmbrunn, Quilitz, Sf Co., Berlin. 

 E. 171. 1877. 



14. Stopcocks (2) of rock crystal. 



E. 29 and 30. 1877. Made by E. Stern, Oberstein. 



