| Country/Region of Manufacture | United States |
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Check the listing for details. 1950's TUNG SOL TIPS ~ 2 issues #18 + #19 ~ Bulletin Industrial Electronics. Condition: Used. Listed at 19.99 USD. 1950's around 1959-1960. Was employed under this position during 1950's and 1960's, may have continued on afterwards, all the paperwork I have are from that period.