MULLARD

4pp., foolscap 8vo. With four photographic illustrations and a diagram. Bifolium on art paper. Printed in black, with cover illustration in half-tone over light-green background. In fair condition, on lightly aged and worn paper. Sections titled 'A new revolution in electronics', 'The construction', 'The "bread-board" circuit', 'The production process', 'Types of IC' and 'Even smaller still!' From the Pat Hawker archive.

Broadsheet. Twenty-two pages. On browned high-acidity paper, with slight wear and loss to extremities and along central horizontal fold. Attractive full-page illustration cover illustration by Clifford Webb. Articles include 'Telegraphy and telephony. From Morse apparatus to the teleprinter. World-wide conversation.' by Colonel Sir Thomas Purves, and 'Generation of Electricity. Supremacy of the steam turbine. Economy of space and fuel.' by Robert H. Parsons. Also 'The making of a natural philospher. Heredity and environment.