John Henry Johnson patent

John Henry Johnson was an English inventor. This collection includes an original patent, 6 April 1865, for a machine that bores through rock.

Saved in:
Bibliographic Details
Main Author: Johnson, J. Henry (John Henry), d. 1900. (Creator)
Collection:John Henry Johnson Patent
Collection Number:Am.8112
Format: Manuscript
Subjects and Genres:
Tags: Add Tag
No Tags, Be the first to tag this record!