div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: USA Patent 1402025 - Frequency Meter - NuEnergy · Title: FREQUENCY METER Author: NIKOLA TESLA src=https:reader036vdocumentsnetreader036viewer20220926195afb24cc7f8b9a2d5d8f297fhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: USA Patent 1402025 - Frequency Meter - NuEnergy · Title: FREQUENCY METER Author: NIKOLA TESLA src=https:reader036vdocumentsnetreader036viewer20220926195afb24cc7f8b9a2d5d8f297fhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: USA Patent 1402025 - Frequency Meter - NuEnergy · Title: FREQUENCY METER Author: NIKOLA TESLA src=https:reader036vdocumentsnetreader036viewer20220926195afb24cc7f8b9a2d5d8f297fhtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: USA Patent 1402025 - Frequency Meter - NuEnergy · Title: FREQUENCY METER Author: NIKOLA TESLA src=https:reader036vdocumentsnetreader036viewer20220926195afb24cc7f8b9a2d5d8f297fhtml5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdiv