Number of miscellaneous articles of chemical glassware Number of miscellaneous articles of chemical glassware
3cm microwave apparatus, type 042.871, by Unilab, Blackburn, England, comprising klystron power supply, klystron transmitter, and receiver fitted with 100 microamp meter Microwave apparatus
Dip needle mounted on a metal base and moving over a graduated quadrant Dip needle mounted on a metal base