Archive of Collections



Details and Image



TypeModel No.MakerCountryConstruction
Material
DateScale LengthArea of Use
Linear
P.C.7.A.X
ThorntonEngland
Celluloid on Mahogany
25 cmArtillery Calculations

Notes: "Two cursors. The scales themselves are not specialized for artillery: C, D, A, B, S, T, and ST, with cm and inches on edges."


Image 1




Image 2