COMPLETE Vintage BARBER COLMAN Impressor 934-1 Hardness Tester Kit Wooden Case
I don’t know how to use this. The needle does not move when I press , but I have not connected the probes that are included.
BARBER COLMAN Impressor 934-1 Hardness Tester Kit plastic Case
Years of use but test very accurately and is functionaly good shape. Comes with wrench, 2 spare needles and very used test coins. The case foam is degraded and the plastic hinge on the case is broken. Works as good as new.
Barber-Colman Impressor 934-1 Barcol Hardness Tester Wood Case Test Block Points
Original fitted birch wood case with latch and foam-lined lid, stenciled with Barber-Colman Impressor logo. Impressor tester body. Test block face shows heavy indent witness marks from prior use. Two spare indenter points, sealed in original plastic vials, appear unused.