1. Aerials for the reception of sound and television broadcasting in the frequency range 30 MHz to 1 GHz. Methods of measurement of electrical performance parameters Part 2, (30th November 1978) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Methods for assessing the performance characteristics of ultrasonic flaw detection equipment. Overall performance: on-site methods Part 1, (29th December 1978) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗