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.
Microwave heat sources. One of the most common uses of microwaves is to heat food quickly. Microwave ovens are possible because microwaves can be used to transmit thermal energy. The discovery of this phenomenon was purely accidental.