Dianne Massa. The City Clerkâs Office is the first point of contact for the residents of the City of Northville. The City Clerk is the keeper of the City Seal and the custodian of all official records of the City, maintaining files that include ordinances, resolutions, bonds, contracts and agreements, and affidavits.
November 4, 2010 by 2016 Revision Leave a Comment. Dr. Percy Spencer invented microwave in 1946 while testing magnetron for radar system. Spencer was working with Raytheon Corporation on his project when he discovered that a sweet candy placed in his pocket melted due to rapid temperature rise.
The history of radar will show that it began in 1904. German engineer Christian Hulsmeyer created an apparatus capable of detecting an objectâs presence some distance away. However, no single scientist invented the modern radar; scientists from several nations worked on it, especially during the 1930s and 40s.ulsmeyer received a patent for his invention in 1904. However it was Nikola Tesla who discovered that frequency could be used to detect the presence of vehicles as well as their course. The succeeding years saw American and European scientists develop various radar devices.