Search Results - "Early works."

1

Observations on electricity, looming, and sounds : together with a theory of thunder showers, and of west and north west winds : to which are added, a letter from the Hon. Thomas J...

Author: Hopkins, George F.
Published 1825

Record Source: Published Materials

Subjects and Genres: '; “...Electricity Early works to 1850....”

Book

Cover Image

2

Report of the Secretary of State, on the subject of establishing a uniformity in the weights, measures, and coins of the United States.

Published 1790

Record Source: Published Materials

Subjects and Genres: '; “...Weights and measures United States Early works to 1800....”
Get full text

Book

Cover Image

Help support the programs of the Historical Society of Pennsylvania!
About Us | Contact Us | Privacy Policy
Discover Version 7 © Historical Society of Pennsylvania. Founded 1824.