Porter's new system of mathematics : with the addition of a complete ready reckoner, for the use of farmers, mechanics, &c.

Mode of access: Internet.

A system of natural philosophy : in which the principles of mechanics, hydrostatics, hydraulics, pneumatics, acoustics, optics, astronomy, electricity, magnetism, steam engine, and electro-magnetism, are familiarly explained, and illustrated by more than two hundred engravings : to which are added questions for the examination of pupils : designed for the use of schools and academies /

Includes index.

A system of natural philosophy : in which the principles of mechanics, hydrostatics, hydraulics, pneumatics, acoustics, optics, astronomy, electricity and magnetism, are familiarly explained ... /

Mode of access: Internet.

The Boston school compendium of natural and experimental philosophy : embracing the elementary principles of mechanics, pneumatics, hydraulics ... : with a description of the steam and locomotive engines /

Advertisements: [1] leaf preceding t.p., and [1] leaf following p. vi.

A compend of book-keeping by single entry : designed for the use of schools : containing forms adapted to the business of retail merchants, mechanics, and farmers ... /

Mode of access: Internet.

A system of natural philosophy : in which the principles of mechanics, hydrostatics, hydraulics, pneumatics, acoustics, optics, astronomy, electricity, and magnetism, are familiarly explained, and illustrated by more than two hundred engravings. To which are added, questions for the examination of pupils, designed for the use of schools and academies /

Spine title: Comstock's philosophy.

A system of natural philosophy; in which the principles of mechanics, hydrostatics ... are familiarly explained ...

Mode of access: Internet.