Tektronix electronic test, measurement and monitoring equipment.
Tektronix Test and Measurement Equipment
Tektronix, Inc. is a United States corporation best known for its test and measurement equipment such as oscilloscopes, logic analyzers, and video and mobile test protocol equipment. Tek is the nickname by which Tektronix is known to its employees, customers, and neighbors.
Tektronix, Inc. - Wikipedia
The company traces its roots to the electronics revolution that immediately followed World War II. The company's founders C. Howard Vollum and Melvin J. "Jack" Murdock invented the world's first triggered oscilloscope in 1946, a significant technological breakthrough.
Tektronix: Applications > XYZs of Oscilloscopes
Oscilloscopes are indispensable tools for anyone designing, manufacturing or repairing electronic equipment. In today's fast-paced world, engineers need the best tools available to solve their measurement challenges quickly and accurately.
Additional Reading
Tektronix Oscilloscopes Museum
This site contains photos, specs, material and stories about tube built Tektronix oscilloscopes up to the late 60´s. The reasons of outstanding quality and inspired engineering of these classic scopes formed the basis of the worldwide reputation of Tektronix.