首页 / 官方藏书 / Philipp Reis: Inventor of the Telephone / A Biographical Sketch / APPENDIX III. Comparison of Reis’s Receivers with Recent Instruments.

APPENDIX III. Comparison of Reis’s Receivers with Recent Instruments.

Philipp Reis: Inventor of the Telephone / A Biographical Sketch · Silvanus P. Thompson · 第 14 / 21 章