664 SEC. 13. CHEMISTRY. 



Set of Tephrylometers. Dr. Herbert Major. 



APPARATUS, DIAGRAMS, &c., ILLUSTRATING THE CHEMISTRY OF 

 THE GRAPE VINE, EXHIBITED BY PROF. DR. LEONARD 

 EOESLER, KLOSTERNEUBURG. 



2745. Model of Apparatus, designed to impregnate divers 

 fluids, e.g.* must, wort, &c., with air, before fermentation. 



2746. Diagram, exhibiting the results of analysis of must, 

 grapes, and trial-manurings, 10 tables. 



To render the proportions of the various substances more conspicuous, 

 their quantities are represented by curves. 



2747. Grape-growing Map of Tyrol, with results of 

 analysis of Tyrolean wines at the station. 



2748. Grape-growing Map of Portugal, with results of 

 chemical analysis of Portuguese wines. 



2749. Results of Wine Analysis, with specimens of 

 chemicals. 



2750. Wine Ashes, prepared by means of electricity, by Dr. 



Eoesler. 



2751. Apparatus for Calcination, after a design by Dr. 

 R-oesler. 



2752. Apparatus for Wine Analysis, in box. 



2753. Apparatus for studying the Influence of Elec- 

 tricity upon Wine. 



2754. Cheap Electric Battery, adapted for electrolytical 

 experiments. 



2755. Pneumatic Pump, with arrangement by which the sap 

 of plants can be extracted, devoid of air, for studying the influence 

 of oxygen upon fermentation. 



2756. Apparatus for the Filtration of Fruit-saps, with- 



out oxygen. 



2757. Diagram, showing the results of water analysis, with 

 special reference to apparatus for determining nitric acid. 



2753. Diagrams (o), illustrating apparatus employed in ex- 

 periments on the growth and respiration of grape vines and fruit. 



2759. Two Portfolios, containing diagrams referring to 

 wine analysis, microscopical research, the laboratory fittings for 

 fermentation, &c., at the experimental station. 



2760. Soil Thermometer of peculiar construction. 



