div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader030fdocumentsinreader030viewer20220220085ae4ba2b7f8b9ae1578b5546html5page1jpg target=_blank img data-url=documentin-the-helical-shape-of-the-stair-design-and-craftsmanship-of-solid-wood-treadshtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: · constructed in the helical shape of the stair Design and craftsmanship of solid wood treads — softened edges and overhang provide a detailed finish loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsinreader030viewer20220220085ae4ba2b7f8b9ae1578b5546html5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader030fdocumentsinreader030viewer20220220085ae4ba2b7f8b9ae1578b5546html5page2jpg target=_blank img data-url=documentin-the-helical-shape-of-the-stair-design-and-craftsmanship-of-solid-wood-treadshtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: · constructed in the helical shape of the stair Design and craftsmanship of solid wood treads — softened edges and overhang provide a detailed finish loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsinreader030viewer20220220085ae4ba2b7f8b9ae1578b5546html5thumbnails2jpg width=140 height=200 adivdiv