6 books
Burritt's Universal Multipliers for Computing Interest, Simple and Compound
The Geography of the Heavens, and Class Book of Astronomy; Accompanied by a Celestial Atlas
Logarithmick Arithmetick; Containing a New and Correct Table of Logarithms of the Natural Numbers from 1 to 10,000, Extended to Seven Places Besides the Index; And So Contrived, That the Logarithm May Be Easily Found to Any Number Between 1 and 10,000,000.
Logarithmick Arithmetick
The Geography of the Heavens and Class Book of Astronomy
The Geography of the Heavens