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Look what Martin Fennelly Antiques has put up for sale on-line: <br/><br/> <a href='http://www.fennelly.net/Item.aspx?id=8917'>336 Sold Fullers Calculator in Original Box - 1931 - Bakelite</a><br/><br/><img src='https://file.4pm.ie/928/4e0ee12f.jpeg.124x137.png' alt='336 Sold Fullers Calculator in Original Box - 1931 - Bakelite'/><br/><p style="text-align: center;">&nbsp;<em><span style="font-size: medium;">This is a Rare&nbsp;<strong>Fuller Bakewell Calculator by Stanley of London with original instruction booklet </strong>in good condition. It has the&nbsp;logarithmic scale of numbers 41 feet 8 inches in length. By George Fuller, M.Inst., C.E. In original wooden box. </span></em></p> <p style="text-align: center;"><em><span style="font-size: medium;">Details - On the outer cylinder is a helical logarithmic scale 500" (41'8" or about 12.5 m) in length. This cylinder can be slid and rotated upon the inner one and hence with the correct sequence of movements, multiplications and divisions can be made and the answers read off the two pointers which project over the cylindrical scale. Results can be obtained to four and frequently five decimal places. The calculator may be used either held in the hand or mounted on the end of its case. On the inner cylinder is a scale of logarithms to four decimal places and a scale of sines. This rarer&nbsp;Fuller-Bakewell calculator also has a scale of cos²&nbsp;and sin cos and is intended for Tacheometrical Surveying.</span></em></p> <p>&nbsp;</p> <p style="text-align: center;"><span style="color: #333333;"><strong><em><span style="font-size: medium;">Box: Width </span></em></strong><em><span style="font-size: medium;">18" (46cm) <strong>Height</strong> 4" (10cm) <strong>Depth</strong> 4.5" (11.5cm)&nbsp;&nbsp;&nbsp;<strong>&nbsp;</strong></span></em></span></p> <p style="text-align: center;"><span style="color: #333333;"><em><span style="font-size: medium;"><strong>Item Sold</strong></span></em></span>&nbsp;</p>