Original 1986 HP Test and Measurement Catalog. Excellent

Leader Instruments Corporation 1986-87 Catalog

Hach Laboratory Instruments 1986 Catalog.

Anritsu Electronic Measuring Instruments Catalog ~ 1985/1986 ~ Hardcover

Fowler 1986 Quality Measuring Instruments & Precision Tools #1786 Catalog.

Sensitive Research catalog #62 Electrical Measuring Instruments Permanently Prec

Solomat 1986 MPM Catalog.

Bird Quality Instruments for RF Power Measurement 1986 Catalog