Sequence 1 : Gray, William (Harvard College Class of 1829). Mathematical theses. Dissertation on Rail Roads, Oct. 21, 1828. HUC 8782.514 (352), Harvard University Archives. Harvard University Library PDS

<body> Harvard University Page Delivery Service:<br/> Gray, William (Harvard College Class of 1829). Mathematical theses. Dissertation on Rail Roads, Oct. 21, 1828. HUC 8782.514 (352), Harvard University Archives.<br/> Sequence 1 ()<br/> <a href="/pds/view/33915138?op=n&treeaction=expand&n=1&s=2&rotation=0&imagesize=1200&jp2Res=.125&jp2x=-1&jp2y=-1&bbx1=0&bby1=0&bbx2=130&bby2=96&printThumbnails=no" title="Table of Contents">Table of Contents</a><br/> <a href="/pds/view/33915138?op=t&n=1&s=2&rotation=0&imagesize=1200&jp2Res=.125&jp2x=-1&jp2y=-1&bbx1=0&bby1=0&bbx2=130&bby2=96&printThumbnails=no" title="Image of Sequence 1 ()">Image of Sequence 1 ()</a><br/> <a href="/pds/viewtext/33915138?op=t&n=1&s=2&rotation=0&imagesize=1200&jp2Res=.125&jp2x=-1&jp2y=-1&bbx1=0&bby1=0&bbx2=130&bby2=96&printThumbnails=no" title="Text of Sequence 1 ()">Text of Sequence 1 ()</a><br/> <a href="/pds/links/33915138" title="Related Links">Related Links</a> </body>