{"exhibit":{"title":"Radio Valve Co. of Canada","description":"<p>Alternative Names<\/p>\r\n<div class=\"element-text\">RVC<\/div>\r\n<div class=\"element-text\">Radio Valve Company<\/div>\r\n<div class=\"element-text\">\r\n<div class=\"element-set\">\r\n<div id=\"dublin-core-type\" class=\"element\">\r\n<h3>Type<\/h3>\r\n<div class=\"element-text\">Company<\/div>\r\n<\/div>\r\n<div id=\"dublin-core-coverage\" class=\"element\">\r\n<h3>Coverage<\/h3>\r\n<div class=\"element-text\">Toronto, ON<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"element-set\">\r\n<div id=\"precision-maker-item-type-metadata-begin-date\" class=\"element\">\r\n<h3>Begin Date<\/h3>\r\n<div class=\"element-text\">1922-01-01<\/div>\r\n<\/div>\r\n<div id=\"precision-maker-item-type-metadata-active-until\" class=\"element\">\r\n<h3>Active Until<\/h3>\r\n<div class=\"element-text\">1942-01-01<\/div>\r\n<\/div>\r\n<div id=\"precision-maker-item-type-metadata-location\" class=\"element\">\r\n<h3>Location<\/h3>\r\n<div class=\"element-text\">189\u2013221 Dufferin St., Toronto, ON (1935, 1942)<\/div>\r\n<\/div>\r\n<div id=\"precision-maker-item-type-metadata-product-areas\" class=\"element\">\r\n<h3>Product Areas<\/h3>\r\n<div class=\"element-text\">Electronics<\/div>\r\n<div class=\"element-text\">Valves<\/div>\r\n<div class=\"element-text\">Tubes<\/div>\r\n<\/div>\r\n<div id=\"precision-maker-item-type-metadata-activities\" class=\"element\">\r\n<h3>Activities<\/h3>\r\n<div class=\"element-text\">Designing<\/div>\r\n<div class=\"element-text\">Manufacturing<\/div>\r\n<\/div>\r\n<div id=\"precision-maker-item-type-metadata-related-entities\" class=\"element\">\r\n<h3>Related Entities<\/h3>\r\n<div class=\"element-text\">Created by (spun-off from): Canadian General Electric (Toronto, ON)<\/div>\r\n<div class=\"element-text\">Related: Canadian Marconi (Toronto, ON)<\/div>\r\n<\/div>\r\n<div id=\"precision-maker-item-type-metadata-timeline\" class=\"element\">\r\n<h3>Timeline<\/h3>\r\n<div class=\"element-text\">1922 \u2013 The Radio Valve Co. of Canada (RVC) is incorporated as a spinoff from General Electric Canada, intended to specifically manufacture radio valves. (\u201cRVC\u201d; Murray)<br \/><br \/>1923 \u2013 The company entered into an agreement with the Canadian Marconi Co. to be the exclusive manufacturing arm for Marconi in Canada, selling all of its Marconi valves to Canadian Marconi only. In addition, it would supply General Electric Canada only at a price 10% higher than that of valves sold to Marconi. (\u201cRVC\u201d; Murray)<br \/><br \/>1927 \u2013 RVC is active, with its distributors the Canadian Marconi Co. and Canadian General Electric. Advertisement selling tubes through the Sun Electrical Co., Ltd., at 1842 Scarth St., Regina, SK. (\u201cThese Initials Your Guarantee\u201d)<br \/><br \/>1929 \u2013 Active, and trying to develop a \u201ctube that would equal or nearly equal the UX-250 and UX-210 which would be manufactured to sell at a lower price than these tubes\u2026\u201d (\u201cRadio \u2013 A Department for Those Who Are \u2018Listening In\u2019\u201d)<br \/><br \/>1935 \u2013 RVC is active at 189\u2013221 Dufferin St., Toronto, ON. Sharing a building with Canadian General Electric Co. Ltd, Edison Lamp Works and Vacuum Tube Division CGE Co. Ltd. (<em>Might\u2019s Greater Toronto City Directory,<span>&nbsp;<\/span><\/em>1935: 1456)<br \/><br \/>1938 \u2013 Active, mentioned in the context of a discussion about a high proportion of radio tubes made by Canadian companies being defective. (\u201cInquiry Adjourned Into Radio Trade\u201d)<br \/><br \/>1942 \u2013 Active at 221 Dufferin St., Toronto, ON. Hiring \u201cFor Inspection Work - Reliable girl with Initiative, capable of taking responsibility, good opportunity, technical education preferable.\u201d (\u201cFor Inspection Work\u201d)<\/div>\r\n<\/div>\r\n<div id=\"precision-maker-item-type-metadata-sources\" class=\"element\">\r\n<h3>Sources<\/h3>\r\n<div class=\"element-text\">\u201cFor Inspection Work\u201d<span>&nbsp;<\/span><em>Toronto Daily Star,<\/em><span>&nbsp;<\/span>April 19, 1942: 34<br \/><br \/>\u201cInquiry Adjourned Into Radio Trade\u201d<span>&nbsp;<\/span><em>The Gazette,<span>&nbsp;<\/span><\/em>Montreal, July 15, 1938: 21.<br \/><br \/>Murray, Robert P.<span>&nbsp;<\/span><em>The Early Development of Radio in Canada, 1901\u20131930: An Illustrated History<\/em><span>&nbsp;<\/span>(Sonoran Publishers, 2005)<br \/><br \/>\u201cRadio \u2013 A Department for Those Who Are \u2018Listening In\u2019\u201d<span>&nbsp;<\/span><em>The Globe,<span>&nbsp;<\/span><\/em>Toronto, February 5, 1929: 10<br \/><br \/>\u201cRVC\u201d The Valve Museum (<a href=\"http:\/\/www.r-type.org\/static\/makervc.htm\">http:\/\/www.r-type.org\/static\/makervc.htm<\/a>) [14-11-24]<br \/><br \/>\u201cRVC - These Initials Your Guarantee\u201d<span>&nbsp;<\/span><em>The Morning Leader,<\/em><span>&nbsp;<\/span>Regina, April 14, 1927: 19<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>","credits":"","featured":0,"public":1,"theme":"","theme_options":null,"slug":"radio-valve-canada","added":"2025-12-09 15:11:14","modified":"2025-12-19 14:24:33","owner_id":11,"use_summary_page":0,"cover_image_file_id":null,"id":56},"item":{"item_type_id":15,"collection_id":1,"featured":1,"public":1,"added":"2024-08-27 13:42:23","modified":"2024-12-05 12:46:56","owner_id":7,"id":7100}}