div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=scanned-by-camscanner-50-m-away-from-a-tacheometer-were-1-285-and-1-780-m-the-focalhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Scanned by CamScanner · 50 m away from a tacheometer were 1-285 and 1-780 m The focal length of object glass was 25 cm The distance between the object glass and trunion axis of loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsnetreader034viewer20220505165f9fe744839ac02c0133a7cfhtml5thumbnails1jpg width=140 height=200 divpScanned by CamScannerpdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=scanned-by-camscanner-50-m-away-from-a-tacheometer-were-1-285-and-1-780-m-the-focalhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Scanned by CamScanner · 50 m away from a tacheometer were 1-285 and 1-780 m The focal length of object glass was 25 cm The distance between the object glass and trunion axis of loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsnetreader034viewer20220505165f9fe744839ac02c0133a7cfhtml5thumbnails2jpg width=140 height=200 divpScanned by CamScannerpdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=scanned-by-camscanner-50-m-away-from-a-tacheometer-were-1-285-and-1-780-m-the-focalhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: Scanned by CamScanner · 50 m away from a tacheometer were 1-285 and 1-780 m The focal length of object glass was 25 cm The distance between the object glass and trunion axis of loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsnetreader034viewer20220505165f9fe744839ac02c0133a7cfhtml5thumbnails3jpg width=140 height=200 divpScanned by CamScannerpdiv