MANUFACTURED, IMPORTED, AND SOLD BY THE AUTHOR; WITH
THE PRICES AFFIXED AT WHICH THEY ARE OFFERED IN 1848.

WITH UPWARDS OF 750 ENGRAVINGS,

MOSTLY ORIGINAL Designs fROM THE INSTRUMENTS OF HIS ESTABLISHMENT
IN THE VARIOUS DEPARTMENTS OF

Designed to aid Professors of Colleges, Teachers, and others,
in the Selection and Use of Illustrative Apparatus,
in every Department of Science.

BY BENJAMIN PIKE, JR., OPTICIAN.

VOLUMES.

IN TWO

VOL.

NEW YORK:

PUBLISHED AND SOLD BY THE AUTHOR,
AT HIS OPTICAL, MATHEMATICAL, AND PHILOSOPHICAL
INSTRUMENT MANUFACTORY,

24-2

294 BROADWAY,

A FEW DOORS ABOVE THE PARK.

1848.