45, CORNHILL, E.G., AND 122, REGENT STKEET, W., LONDON. 



551 



FlG. 3135 



3155 Eain Gauge, for "Water "Works, Mountain, or Tropical 

 Service, 8 Inches diameter, with Vertical Cylinder 

 about 6 inches above the receiving funnel to prevent 

 splashing, and specially to collect and Measure 

 Snow. Extra large receiving vessel holding 

 about 48 inches of Bain-fall strongly made to 

 resist extreme temperatures, with Graduated Glass 

 measure reading to hundredths of an Inch. 



Stout Copper, (fig. 3155) including Graduated Measure 



4 10 



FIG. 3156 



3156 Observatory Standard Barometer of the highest class and precision (fig. 3156 

 See also pages 1 to 11) 35 



See also Meteorological Section, pages 1 to 131. 



2L2 



