B & K Precision Dynascan Corporation Test Instruments Catalog BK-85.

B+K Precision / Dynascan Corporation 1978 Test Instruments Catalog.

BK Precision Dynascan Corporation BK-79 Test Instruments Products Catalog

BK Precision / Maxtec 1990 Test Instruments Catalog.

Philips Catalog ~ Test and Measuring Instruments Catalogue 1974

B&K Precision BK-87 Test Instruments for Education Catalog

B&K-Precision / Dynascan Corporation 1987 Test Instruments Catalog.

NATIONAL INSTRUMENTS REFERENCE and CATALOG 1997 Test + Measurement {{RARE}}}