The Process for extracting and refining salt-petre, according to the method practised at the Provincial Works in Philadelphia
Subtitle: Published by order of the Committee of Safety
Series: Early American imprints -- no. 14827
Publisher: Printed by William and Thomas Bradford, at the London Coffee House.
Published: 1776
Place of publication: Philadelphia
Language: eng
Subjects: Saltpeter
Notes: Evans 14827

Hildeburn, C.R. Pennsylvania, 3453