Archive of Collections

Details and Image

TypeModel No.MakerCountryConstruction
DateScale LengthArea of Use
BoykinU.S.A (Maryland)
est 1960 to 1970Diam 13 cmGeneral Purpose

Notes: "Spirial scale = 127 cm, 24 scales total both sides including a stadia scale, leather case, one image shows optional bar magnifier, one image shows parts, one image shows stamped markings prior to inking. Note 3rd and 4th images are of a 510 w/o magnifier."

Image 1

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Image 3

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Image 5

Image 6

Image 7