JOHNSTON'S ILLUSTRATIONS OF NATURAL PHILOSOPHY.

  1. Properties of Bodies, 37 Diagrams and Descriptive Book.
  2. Mechanical Powers, 47 Diagrams and Descriptive Book.
  3. Hydrostatics, 28 Diagrams and Descriptive Book.
  4. Hydraulics, 27 Diagrams and Descriptive Book.
  5. Physiology, 27 Diagrams and Descriptive Book.

Size 50 by 42 Inches, Coloured and Mounted on Cloth and Rollers.

Unvarnished, 10s.; Varnished, 12s. each.

[155]


Published by Groombridge and Sons.


SUGGESTIVE HINTS TOWARDS IMPROVED SECULAR INSTRUCTION.

Making it bear upon Practical Life. Intended for the Use of
Schoolmasters and Teachers in our Elementary Schools; for
those Engaged in the Private Instruction of Children at Home;
and for others taking an Interest in National Education.