Between 1832 and 1837 he developed a working model of an electric telegraph, using crude materials such as a home-made battery and old clock-work gears.

在1832年至1837年间，他使用自制电池和旧钟表齿轮等原始材料开发了电报的工作模型。

His chief reason in favour of this view is that we seem to have a priori knowledge as to space and time and causality and comparison, but not as to the actual crude material of sensation.

他支持这种观点的主要原因是我们似乎对空间和时间以及因果关系和比较具有先验知识，但对感觉的实际原始材料却没有。