Plumbago and some of its uses
By: by John Fraser Torrance
Contributors: Canadian Society of Civil Engineers
Publisher: Canadian Society of Civil Engineers
Published: 1892
Place of publication: Montréal]
Language: eng
Subjects: Graphite
Notes: Caption title.

At head of title: (All rights reserved.) Advance proof--(Subject to revision) ...

"To be read Friday, 9th December, 1892".