Royal Society of W. A 
Plate XII. 
Vol.l. 
MOON’S MERIDIAN PASSAGE!. 
Each Division oh Horizontal Lines equals 6 minutes. 
„ Verrica! „ „ 6 „ 
MOON’S MERIDIAN PASSAGE. 
| 2 hr | 3 hr | 4 hr ^hn jghr. ^hr |glr |ghr. 2 () hr 2| hr 22 hr 23^ 2 ‘ f 
“Spr i ng”&“N eap Range - Port Hed land. 
Fig. 2 . Each Division oh Horizontal Lines equals 6 minutes. 
„ „ „ Vertical „ „ 6 inches. 
H.J Pelher. Government lithographer. Perth. W A. 
