艺术家: Thomas Alva Edison
日期: 1890
尺寸: 50 x 21 cm
博物馆: NEMO Science Museum (Amsterdam, Netherlands)
术: 金属
爱迪生根据他1878年的设计建造了这台DC发电机. 两个长而垂直取向的黑圆柱是产生转子所转动的磁场的场圈. 这些线圈的外形导致从事这种设计的实验室工作人员(他们都是男性)将其称为"长腿玛丽-安"(The Long-leged Mary-Ann). 转子在下方 右上下拉杆后面 杠杆控制一个可以设置的开关,使转子产生的电源在平行电路中通过场线圈流出,使发电机能够创建出自己的场. 这种类型的发电机造型大小不一,有可高达2米高的版本. 大型横向版本用于世界
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