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Frank's electron Tube Data sheets Huggins Laboratories documents  

(up)date item size
2017-12-16 Engineering Notes Vol1 No1, 1955. 87 pages. 34,798,222 bytes
2017-12-16 Vol1, 1956. 125 pages. 44,567,290 bytes
2017-12-16 Vol2, 1956. 107 pages. 37,414,695 bytes
2017-12-16 Engineering Notes Vol2 No1, 1960. 39 pages. 14,679,445 bytes
2017-12-16 TWTs, 1961. 165 pages 49,499,945 bytes
2021-09-24 Microwave Catalog, 24 pages 18,974,146 bytes
2021-09-24 Folder with sone Huggins stuff, 22 pages 6,664,482 bytes
2021-09-24 Folder with some Huggins stuff, 88 pages 53,399,372 bytes