en

Half-hours with the telescope

Richard A. Proctor · 1868

109 pages · ~3h read

children · science

en

Myths and marvels of astronomy

Richard A. Proctor · 1877

365 pages · ~9h read

mythology · religion

en

Light science for leisure hours

Richard A. Proctor · 1871

314 pages · ~8h read

science

en

Other worlds than ours

Richard A. Proctor · 1870

337 pages · ~8h read

science

en

The orbs around us

Richard A. Proctor · 1872

337 pages · ~8h read

science