155 mm howitser slide rule





Length 37 cm
Number of scales 4
Country of origin  
Country of manufacturing US?
Year of manufacturing  
Status of the slide rule Normal signs of use
Material of the slide rule Painted wood
Type of cursor Wood and plastic
Status of the box Normal signs of use
Type of box Polyester fabric
Status of the manual None
Collection number 213
Further comments Very simple slide rule. Unclear how it exactly works.



 Last updated: 04-09-2009