Richard A. Proctor – författare

Wages and Wants of Science Work

Other Words Than Ours

Watched by the Dead

A Loving Study of Dickens Half-told Tale

Watched by the Dead

A Loving Study of Dickens Half-told Tale

Easy Lesson in the Differential Calculus

Easy Lesson in the Differential Calculus

Wages and Wants of Science Work

Wages and Wants of Science Work

Wages and Wants of Science Work

Other Worlds Than Ours

The Plurality of Worlds Studied Under the Light of Recent Scientific Researches

Pyramid of Cheops

Sun

ruler, fire, light, and life of the planetary system. Second Edition

Great Pyramid

observatory, tomb, and temple

Expanse of Heaven

a series of essays on the wonders of the firmament

expanse of heaven

A series of essays on the wonders of the firmament

Strength and Happiness

Southern Skies

A Plain and Easy Guide to the Constellations of the Southern Hemisphere, showing, in twelve maps, the position of the principal star-groups night throughout the year, with an introduction and a separate explanation of each map

Light Science for Leisure Hours

Light Science for Leisure Hours

Saturn and its System

Light Science for Leisure Hours

Light Science for Leisure Hours

Light science for leisure hours

Kraft der Himmelszeichen

Fantastische Einblicke in andere Welten

Half-Hours with the Stars a Plain and Easy Guide to the Knowledge of the Constellations

treatise on the Cycloid and all forms of Cycloidal Curves and on the use of such curves in dealing with the motions of planets, comets, &c. and of matter projected from the sun

Half-hours with the Telescope; Being a Popular Guide to the Use of the Telescope as a Means of Amusement and Instruction.

Light Science for Leisure Hours

Quarter-Backs Pluck; A Story of College Football