Brannock Device Brannock Device The Brannock Device is a measuring instrument invented by Charles F. Brannock for measuring a person's shoe size. The son of a shoe industry entrepreneur, Brannock attended Syracuse University, New York. Brannock spent two years developing a simple means of measuring the length, width, and arch length of the human foot. He eventually improved on the wooden RITZ Stick, the industry standard of the day, patenting his first prototype in 1925 and an improved version in 1927. The device has both left and right heel cups and is rotated through 180 degrees to measure the second foot. Brannock
ISO 7637 ISO 7637 ISO 7637 Road vehicles -- Electrical disturbances from conduction and coupling is an international electromagnetic compatibility vehicle standard published by the International Organization for Standardization (ISO), that relates to 12 and 14 volt electrical systems. As of November 2018, four parts of ISO 7637 have been published, and one is in development (part 4): There are several distinct electrical transient waveforms that are required from this testing to ISO 7637-2. These pulses or waveforms include very high rise or fall times often in the nanosecond and microseconds range. These transients are designed to simulate electrical occurrences in operational