div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: science-infonet · Replace bright field condenser by dark field Or phase contrast con- denser For phase contrast work also exchange the objective revolving nose- piece for the src=https:reader034fdocumentsinreader034viewer20220502075f5a20117959137cd05b95b4html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: science-infonet · Replace bright field condenser by dark field Or phase contrast con- denser For phase contrast work also exchange the objective revolving nose- piece for the src=https:reader034fdocumentsinreader034viewer20220502075f5a20117959137cd05b95b4html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: science-infonet · Replace bright field condenser by dark field Or phase contrast con- denser For phase contrast work also exchange the objective revolving nose- piece for the src=https:reader034fdocumentsinreader034viewer20220502075f5a20117959137cd05b95b4html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: science-infonet · Replace bright field condenser by dark field Or phase contrast con- denser For phase contrast work also exchange the objective revolving nose- piece for the src=https:reader034fdocumentsinreader034viewer20220502075f5a20117959137cd05b95b4html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: science-infonet · Replace bright field condenser by dark field Or phase contrast con- denser For phase contrast work also exchange the objective revolving nose- piece for the...