He cleverly attached a barograph to pendulum, which allowed him to control the arc of the pendulum swing, depending on the changes of the barometric pressure. Since the basement was almost a climate controlled environment, it turned out that the accuracy of the pendulum swing was only affected by barometric pressure. He built the whole thing from scratch and continued to perfect it for about 3 decades!Įvery 30 seconds, the pendulum would get a slight 'push' from a relay actuated escapement to compensate for air resistance (friction or drag). I recall my father (who was an ME) crafted about a 6foot tall pendulum clock in our basement. Such clever designs/creations are truly a labor of love! He has also planned, written, and presented online courses on a variety of engineering topics, including MOSFET basics, ADC selection, and driving LEDs. He has a BSEE from Columbia University and an MSEE from the University of Massachusetts, is a Registered Professional Engineer, and holds an Advanced Class amateur radio license. Before those roles, he was at Instron Corp., doing hands-on analog- and power-circuit design and systems integration for materials-testing machine controls. Prior to the marcom role at Analog, Bill was Associate Editor of its respected technical journal, and also worked in its product marketing and applications engineering groups. At Analog Devices, he was in marketing communications as a result, he has been on both sides of the technical PR function, presenting company products, stories, and messages to the media and also as the recipient of these. In past roles, he worked as a technical website manager for multiple EE Times sites and as both Executive Editor and Analog Editor at EDN.
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