首页 / 官方藏书 / The Boy's Playbook of Science / Including the Various Manipulations and Arrangements of Chemical and Philosophical Apparatus Required for the Successful Performance of Scientific Experiments in Illustration of the Elementary Branches of Chemistry and Natural Philosophy / COOKE AND WHEATSTONE'S DOUBLE NEEDLE TELEGRAPH.

COOKE AND WHEATSTONE'S DOUBLE NEEDLE TELEGRAPH.

The Boy's Playbook of Science / Including the Various Manipulations and Arrangements of Chemical and Philosophical Apparatus Required for the Successful Performance of Scientific Experiments in Illustration of the Elementary Branches of Chemistry and Natural Philosophy · John Henry Pepper · 第 13 / 26 章