The perpetual calculator: or, time's universal standard
Subtitle: In three parts. ... By R. Wetherald, philomath.
Series: Eighteenth century -- reel 312, no. 3.
Publisher: printed by I. Thompson and Company
Published: 1760
Place of publication: Newcastle upon Tyne
Language: eng
Format: Microform
Number of pages: 150
Notes: The eighth preliminary page is numbered iii.

With a final leaf of contents list and errata.

With a list of subscribers.

Microfilm. Woodbridge, CT Research Publications, Inc., 1983. 1 reel ; 35mm. (The Eighteenth Century ; reel 312, no. 3).