Stadia Match Output
Number:95
Maker:Chinese Unknown
PHOTO
Length: 25 cm
Gauge Marks: p" π 6.366
Scales Front: km 1-cos/ 1-cos A = B sec2 ST T = C L
Scales Back: = ST S C =
Info: FanHsiu Chang Collection
Military Commission Surveying and Mapping Bureau
A gauge mark of 6.366 specified as R but not a conventional R. 63.66 is 200/π which is grads in a radian on the 400g system.
On the lower side of the rule is a scale "l" which ranges from 5 to 50. This would be the range of the T scale on a 400g rule.
![](photos/95_a.jpg)
![](photos/95_b.jpg)
![](photos/95_c.jpg)
![](photos/95_d.jpg)
![](photos/95_e.jpg)
![](photos/95_f.jpg)
![](photos/95_g.jpg)
![](photos/95_h.jpg)
![](photos/95_i.jpg)
![](photos/95_j.jpg)