On his admission to the Royal Society in 1667, John Collins presented to it, and described, an example of Henry Sutton's double horizontal dial with additions by himself. His description given on that occasion is here transcribed with some commentary both on the dial itself and on Collins’ involvement with it.

中文翻译：

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约翰柯林斯和双水平表盘

1667 年，约翰·柯林斯 (John Collins) 被皇家学会录取时，向其展示并描述了亨利·萨顿 (Henry Sutton) 的双水平表盘，并自行添加了一些示例。他在那个场合给出的描述在这里转录了一些关于表盘本身和柯林斯参与其中的评论。