Proctor, Richard A. (Richard Anthony), 1837-1888
10 films on RLB-Tube
Light science for leisure hours : a series of familiar essays on scientific subjects, natural phenomena, &c. &c.
Pleasant ways in science
Pleasant ways in science
Light science for leisure hours : familiar essays on scientific subjects, natural phenomena, &c. with a sketch of the life of Mary Somerville
Strength : how to get strong and keep strong with chapters on rowing and swimming, fat, age, and the waist
Strength and happiness
Rough ways made smooth : a series of familiar essays on scientific subjects
Light science for leisure hours : a series of familiar essays on scientific subjects, natural phenomena, &c. &c
Half-Hours with the Stars A Plain and Easy Guide to the Knowledge of the Constellations
