Certificate, Testing Accuracy - Arkansas State Police
Object number2007.027.128
DateApril 9, 1979
Mediumpaper and ink
Dimensions8 1/4 x 11 in. (21 x 27.9 cm)
Credit LineOld State House Museum Collection
DescriptionCertificate indicating that "Tuning Fork SN 8596 has been tested to oscillate at 1113 *HERTZ. When used with a Kustom doppler traffic radar operating at 10,525 MH it will cause a calibration signal of 35 M.P.H."Status
Not on view
