Here are pdf scans of a year 2000 era manual for:
the ACCURACY DEN *I.C.C. UNIT
*(Internal Concentricity Comparator)
Ultrasonic Metal-Mass Detector
“The Vern Juenke Machine”
Original US LETTER size format ;and
VernJuenke_oringal LTR size version
resized A4 format
VernJuenke_resized LTR to A4 version
VooDoo Precision Pty Ltd
Model-24 Comparator,
Next generation bullet comparator, built in Australia, by long range precision rifle shooters
voodooprecision@gmail.com