谐波 - 美国大都会艺术博物馆展品查阅

品名（中）	谐波
品名（英）	Harmonium
入馆年号	1889年，89.4.3553
策展部门	乐器（Musical Instruments）
创作者	F. Kaufmann & Sohn【德国人】
创作年份	公元 1840 - 公元 1860
创作地区	德国, 德累斯顿/斯图加特？（Germany, Dresden/Stuttgart?）
分类	无气动电话簧片口琴（Aerophone-Free Reed-harmonium）
尺寸
介绍（中）	和声是一种自由簧片键盘乐器的欧洲名称，在美国通常被称为泵风琴。这种乐器的键盘范围较短，它使用看起来像典型钢琴踏板七弦琴的踏板来推动风箱技术说明：矩形胡桃木单板套，四个转向腿，锥形八角轴；四个单独铰接件的盖子，其中一个在键盘上形成凹形曲线；音乐架铰接在覆盖着玫瑰色丝绸的面板上，放在键盘后面，风箱上方；两个木踏板在七弦琴泵两个方形风箱下风箱；一套黄铜自由簧片，分别拧到安装在键盘下方风箱中的四块黄铜板上；每个键尾的底部都覆盖着皮革，用作托盘阀；键是由附在键盘背面板条上的弹簧返回的；整个键盘和机制向前铰链时，没有两个挂钩后键床；键盘上的三个手柄，从左到右：（低音）FORTE，EXPRESS，（高音）FORTE；当拉出时，每个forte挡块在风箱上方的羊毛内衬托盘上打开一个长方形的槽；表情停止，当被推入时，会导致棘爪按下面板，使风从胸部逸出；键盘指南针CC-f3，骨自然，乌木意外。
介绍（英）	The harmonium is the European name for a free reed keyboard instrument commonly known as a pump organ in the United States. This instrument, with an abbreviated keyboard range, utilizes pedals on what looks like a typical piano pedal lyre to pump the bellows. Technical description: Rectangular walnut-veneer case on four turned legs with tapered octagonal shafts; lid of four separately hinged pieces, one of which forms a concave curve over keyboard; music rack hinged to panel covered with rose-colored silk placed behind keyboard, above windchest; two wood pedals in lyre pump two square bellows below windchest; one set of brass free reeds individually screwed to four brass plates mounted in windchest below keyboard; bottom of each keytail, covered with leather, serves as a pallet valve; keys are returned by springs attached to batten over back of keyboard; entire keyboard and mechanism hinges forward when not secured by two hooks behind keybed; three handstops over keyboard, L to R: (bass) FORTE, EXPRESSION, (treble) FORTE; when pulled out, each forte stop opens an oblong slot in wool-lined tray over windchest; expression stop, when pushed in, causes a pawl to depress a panel that allows wind to escape from chest; keyboard compass CC-f3, bone naturals, ebony accidentals.