div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: 199908 - Orwell Astronomical · shape to a depth in the centre of the disc of 6ómm This involves the removal of about 15Kg of glass by hand grinding This is a muscle building src=https:reader033fdocumentsinreader033viewer20220416015e3118fe17a28960b52cf8d8html5thumbnails1jpg 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: 199908 - Orwell Astronomical · shape to a depth in the centre of the disc of 6ómm This involves the removal of about 15Kg of glass by hand grinding This is a muscle building src=https:reader033fdocumentsinreader033viewer20220416015e3118fe17a28960b52cf8d8html5thumbnails2jpg 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: 199908 - Orwell Astronomical · shape to a depth in the centre of the disc of 6ómm This involves the removal of about 15Kg of glass by hand grinding This is a muscle building src=https:reader033fdocumentsinreader033viewer20220416015e3118fe17a28960b52cf8d8html5thumbnails3jpg 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: 199908 - Orwell Astronomical · shape to a depth in the centre of the disc of 6ómm This involves the removal of about 15Kg of glass by hand grinding This is a muscle building src=https:reader033fdocumentsinreader033viewer20220416015e3118fe17a28960b52cf8d8html5thumbnails4jpg 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: 199908 - Orwell Astronomical · shape to a depth in the centre of the disc of 6ómm This involves the removal of about 15Kg of glass by hand grinding This is a muscle building...