div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=-stone-age-of-human-technological-history-was-coming-to-an-end-andhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Printstone age of human technological history was coming to an end and the age of metals was beginning A further set of technological changes beginning around 4000 B CE loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsnetreader035viewer20220711035fdcb334e99b5c73fc2f262bhtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=-stone-age-of-human-technological-history-was-coming-to-an-end-andhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Printstone age of human technological history was coming to an end and the age of metals was beginning A further set of technological changes beginning around 4000 B CE loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsnetreader035viewer20220711035fdcb334e99b5c73fc2f262bhtml5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=-stone-age-of-human-technological-history-was-coming-to-an-end-andhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: Printstone age of human technological history was coming to an end and the age of metals was beginning A further set of technological changes beginning around 4000 B CE loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsnetreader035viewer20220711035fdcb334e99b5c73fc2f262bhtml5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=-stone-age-of-human-technological-history-was-coming-to-an-end-andhtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: Printstone age of human technological history was coming to an end and the age of metals was beginning A further set of technological changes beginning around 4000 B CE loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsnetreader035viewer20220711035fdcb334e99b5c73fc2f262bhtml5thumbnails4jpg width=140 height=200 divdiv