MECHANICS' CALCULATOR,

OR

WORKMAN'S MEMORIAL BOOK;

COMPREHENDING

PRINCIPLES, RULES, AND TABLES

IN THE VARIOUS DEPARTMENTS OF

MATHEMATICS AND MECHANICS;

USEFUL TO

MILLWRIGHTS, ENGINEERS, AND ARTISANS IN GENERAL.

WITH

Four Lithographic Plates.

BY WILLIAM GRIER.

How have we obtained this great superiority over these poor savages? Because science has
been at work for many centuries, to diminish the amount of our mental labour, by teaching
us the easiest modes of calculation.
Results of Machinery.

GLASGOW :

PUBLISHED BY ANDREW LOTTIMER,

AND JAMES LUMSDEN & SON;

STIRLING & KENNEY, EDINBURGH; AND BALDWIN & CRADOCK, LONDON.

MDCCCXXXII.

How have we obtained this great superiority over these poor savages?

Because science has

been at work for many centuries, to diminish the amount of our mental labour, by teaching
us the easiest modes of calculation.

Results of Machinery.

GLASGOW :

PUBLISHED BY ANDREW LOTTIMER,
AND JAMES LUMSDEN & SON;

STIRLING & KENNEY, EDINBURGH; AND BALDWIN & CRADOCK, LONDON,

MDCCCXXXII.

ΤΟ

THOMAS CHALMERS, D. D.

OF THE UNIVERSITY OF EDINBURGH,

WHO HAS EVER BEEN ZEALOUS IN THE

DIFFUSION OF USEFUL KNOWLEDGE AMONG THE WORKING CLASSES,

AND A WARM ADVOCATE FOR

EVERY THING WHICH COULD CONTRIBUTE TO THEIR WELFARE,

THIS WORK IS DEDICATED,

WITH THE MOST SINCERE FEELINGS OF RESPECT,

BY THE AUTHOR.