Nov 27 Seth Thomas Antique Victorian Gothic 1887 Adamantine Mantle or Table Desk Clock POSTED BY admin IN seth Antique Victorian Gothic 1887 Seth Thomas ST Adamantine Mantle Table Desk Clock. Works, just follow the instructions provided in the photos do note- the last photo that explains operation is NOT located on the clock. Tags : adamantine | antique | clock | desk | gothic | mantle | seth | table | thomas | victorian