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Triplett Electrical Instrument Company
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The Triplett Electric Instrument Company has been in continuous operation since 1904, although today it goes by the name Triplett Test Equipment & Tools. It was founded in 1904 in Bluffton, Ohio, by Ray L. Triplett. Mr. Triplett is holding his company's first vacuum tube tester, the Readrite Model 201, which debuted in 1921, in this full-page advertisement that appeared in a 1954 issue of Radio & Television News magazine. Triplett claims it is the first commercial tube tester. A pretty extensive search did not turn up any photos of the Model 201 tube tester, but there is a follow-on Model 215 tube tester on Steven Johnson's Readrite & Triplett history webpage. Here, too, is a very informative page outlining Triplett's history, including a picture of the "portable" ammeter built into a pocket watch case. The "new" Model 3423 Mutual Conductance Tube Tester, priced at $199.50 in 1954, is the equivalent of $1,901.50 in today's money (per the BLS Inflation Calculator). Triplett Electrical Instrument Company Advertisement
50 Years of Setting Standards Ray L. Triplett with the first commercial tube tester - a Triplett production - and Triplett Model 3423, the leading tube tester of today and tomorrow. See it at your parts jobber Model 3423 Mutual Conductance Tube Tester. Dealer's net $199.50 The only tube tester designed with 50 years experience. Two important lesson are learned, from experience, by the manufacturer of test equipment. First, the value of test equipment to a service man is in direct proportion as it reduces his necessary labor and increases his profit for the same span of work time. Model 3423 will give you no false readings to waste time - the patented circuit for tube testing employs actual signal (4 kc) for grid signal. It also has a complete coverage of all tube types - sic plate voltages (including 0-10 variable). Micromhos scales read 0-1800, 0-6,000, 0-18,000 and 0-36,000. Secondly, test equipment costs money and the purchase must be protected against quick obsolescence. In Model 3423 the multiple switches allow making any combination of tube connections and is protection against soch obsolescence. Ask your jobber to demonstrate the many other extra features of this tester. Only Triplett offers you a ten day free trial on all test equipment. Triplett Electrical Instrument Co. Bluffton, Ohio
Posted June 23, 2020 |
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