Sign Up

Sign In

Forgot Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

You must login to ask question.

Please briefly explain why you feel this question should be reported.

Please briefly explain why you feel this answer should be reported.

Please briefly explain why you feel this user should be reported.

What Century Was the Level Invented?

Invented in 1661 by french- man melchisédech thevenot, the spirit l e v e l—also called a bubble l e vel—initially featured a straight sealed glass tube containing wa- ter and an air bubble. However, the level underwent many re- finements. First, the water was replaced by alcohol or other spir- its to prevent freezing.

Related Posts

Leave a comment