The Townâs history is documented in the Bedford collection at the Bedford Public Library. Visitors are drawn to view historic sites including homes, the Old Burying Ground, The Wilson Mill, the Job Lane House and the original Bedford Flag that was taken to the battle of Lexington and Concord in 1775.
The phenomena of atmospheric electricity are of three kinds. There is the electrical phenomena of thunderstorms and there are the phenomena of continual electrification in the air, and the phenomena of the polar Aurora constitute a third branch of the subject.
Lightning is caused by electrical charges in the atmosphere. As opposite charges build up, they break through the insulation provided by the air and send an electrical burst within the cloud, to the ground or to another cloud. The lightning can come as either a positive or negative charge.