Electric Bell (E)
The electrical bell, invented in 1831 is based on the principles of electromagnets.The construction and working of an electric bell is displayed in this table top teaching aid.
The electrical bell, invented in 1831 is based on the principles of electromagnets.The construction and working of an electric bell is displayed in this table top teaching aid.
Be the first to review “Electric Bell (E)”
You must be logged in to post a review.
Reviews
There are no reviews yet.