BAIRD ^TmOCK (LONDON) LTD. 



6117 



>114 S The Wilson Self -Registering Dial Rain Gauge, showing 10 in. rainfall, 8 in. square 

 copper 



Self-Recording Rain Gauge, case of japanned steel, hinged upon iron base, dimensions 

 12! by 17 by /f in. 



il!5 s Price, totalising to 10 in. 

 >116 5 ,, 200 in. 



(Each gauge supplied with one year's charts, ink, and pen.) 



The above illustration shows the Self-Recording Rain Gauge. The instrument is self-contained, and the 

 :ion is fully protected from the elements. 



The clock drum completes its revolution weekly. The chart is arranged to show I in. of rain from top to 

 'om, and is sub-divided into tenths and T Vths, the pen, however, marking each rJnjth. 



s dial or totaliser shows i in. on the outer circle, sub-divided into tenths and hundredths, and the smaller 

 I registers up to 10 in. Also made with a third dial up to 200 in. for tropical use. 

 The case is made of japanned steel, hinged upon an iron base. 

 The diameter of the brass rim on funnel is 8 in. 



117 s Campbell-Stoke 's Sunshine Recorder, best make, on polished slate slab 

 118 s Charts for above for one year . . . . . . . . 



3 10 



10 10 

 12 12 



9 15 

 1 10 



CHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS- 



1117 



