Credited with more than 500 U.S. and foreign patents, and described by the U.S. Patent Office in 1936 as one of the world's "10 greatest living inventors," James Bryce began his career with IBM in 1917. He initially invented time clock and recorder equipment, including a self-regulating time system. Bryce conceived and initiated development of the "universally splittable" accumulators and printers used with accounting machines. He invented the completely automatic multiplying punch, the basic principles of which were incorporated into many machines, including the ASCC. Bryce foresaw the potential of the vacuum tube in 1915 and initiated a project in 1932 to develop methods of using electron tubes to perform mathematical operations. This culminated in 1946 with the production of the first commercial electronic multiplier. He was involved with the development of the electronic arithmetic unit for the Selective Sequence Electronic Calculator (SSEC), and also pioneered in areas including data generation and display on cathode ray tubes, data transmission, magnetic records sensing and high-speed photographic recording.