Stadia Match Output

Number:93a

Maker: Unknown
PHOTO

Length: 40.3 cm

Gauge Marks:

Scales Front: (declinograph) = (declinograph), (angular length), cos² - sin.cos = D (Numbers), A (Squares)

Scales Back: = S (sin, cos), T (Tang), C (Numbers) =

Info: Labelled as Conde, Universal Topografica (M1, V2). Design by E. Conde.
A significant amount of information available at: https://www.reglasdecalculo.com/reglas_spain/modelos_s.html?page=conde_m1_v2
Taken from he Spanish ARC Website - https://www.reglasdecalculo.com/reglas_sp.html - created by Jose Fernandez
Two models have been identified, the second best finish and with an added mantissa scale. The first model has two versions, differentiated in the order of the sin.cos and cos² semiscales.