Author

John Hy Harden

2 books found

Placeholder cover for Harden's patent adjustable drawing-board trestle

Harden's patent adjustable drawing-board trestle

John Hy Harden · First published 1874

Cover of Rock-salt deposit of Huron and Bruce counties, Ontario, Canada

Rock-salt deposit of Huron and Bruce counties, Ontario, Canada

John Hy Harden · First published 1879