div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentmuseu-de-astronomia-e-cincias-why-the-plane-grating-mount-is-best-why-the-jarrell-ashhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Museu de Astronomia e Ciências Afins · WHY THE PLANE GRATING MOUNT IS BEST WHY THE JARRELL-ASH TYPE EBERT MOUNT IS BEST In 1942 Company delivered the worldS first large stigmatic loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentoscomreader035viewer202208141060a2f56c05796612eb55b862html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentmuseu-de-astronomia-e-cincias-why-the-plane-grating-mount-is-best-why-the-jarrell-ashhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Museu de Astronomia e Ciências Afins · WHY THE PLANE GRATING MOUNT IS BEST WHY THE JARRELL-ASH TYPE EBERT MOUNT IS BEST In 1942 Company delivered the worldS first large stigmatic loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentoscomreader035viewer202208141060a2f56c05796612eb55b862html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentmuseu-de-astronomia-e-cincias-why-the-plane-grating-mount-is-best-why-the-jarrell-ashhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: Museu de Astronomia e Ciências Afins · WHY THE PLANE GRATING MOUNT IS BEST WHY THE JARRELL-ASH TYPE EBERT MOUNT IS BEST In 1942 Company delivered the worldS first large stigmatic loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...