方形钢琴 - 美国大都会艺术博物馆展品查阅

品名（中）	方形钢琴
品名（英）	Square Piano
入馆年号	1889年，89.4.2718
策展部门	乐器（Musical Instruments）
创作者	Thomas Loud Evenden【1792 至 1866】【英国人】
创作年份	公元 1810 - 公元 1820
创作地区	美国, 宾夕法尼亚, 费城（United States, Pennsylvania, Philadelphia）
分类	齐瑟敲击钢琴（Chordophone-Zither-struck-piano）
尺寸	Case length (perpendicular to keyboard): 68 厘米宽 (parallel to keyboard): 170 厘米 Case depth without lid to drawer tops: 27 厘米 Total height: 82 厘米
介绍（中）	这是托马斯·劳德·埃文登现存最古老的钢琴，这位德高望重的费城钢琴制造商后来成为了Loud&；兄弟们技术说明：长方形桃花心木单板表壳，位于一体式台座上，带3个抽屉（中间一个凹形），翻转并用黄铜爪脚将腿弯曲；盖子不是铰接在书脊上，而是由四块铰接板和一块挡板组成，从前面到箱子侧面的狭窄的第三块挡板，后挡板有三个以前用布覆盖的凹陷部分；指南针FF-c4（68个键），象牙色自然与成型的正面，乌木意外；踏板机构缺失（通过提升关键帧的铰接后导轨提升阻尼器，提升键尾）；铁制长方形无穿孔调谐销；独立桥架上最低的20根线；厚（5厘米）脊柱；英制双动，带中间杠杆和擒纵机构；穿过螺母旁边钻孔板条的杆上的阻尼器（缺失），放置在关键杆上的块上；双线贯穿，最低11个音符缠绕；顶部11个键安装在响板下方的独立框架上，锤子敲击响板切口；几个柄和头不是原来的。（利宾1976年12月）
介绍（英）	This is the oldest extant piano by Thomas Loud Evenden, the venerable Philadelphia piano maker who would later be a founder of Loud & Brothers. Technical description: Rectangular mahogany veneer case on integral table stand with 3 drawers (center one concave) over turned and reeded legs with brass claw feet; lid not hinged to spine, but composed of four hinged panels plus fall board, the narrow third panel from the front dowelled to case sides, the rear panel having 3 recessed sections formerly covered with cloth; compass FF-c4 (68 keys), ivory naturals with molded fronts, ebony accidentals; pedal mechanism missing (raised dampers by lifting hinged back rail of keyframe, raising key tails); iron oblong unpierced tuning pins; lowest 20 strings on separate bridge; thick (5 cm) spine; English double action with intermediate lever and escapement; dampers (missing) on rods running through a drilled batten alongside the nut, to rest on blocks on the key levers; double strung throughout, lowest 11 notes wound; top 11 keys mounted on separate frame below soundboard, with hammers striking through soundboard cutout; several shanks and heads not original. (L. Libin Dec. 1976)