translation.en: Probably not one made of brass. He would have one made out of wood, or paper. And the vast majority of this first computer was a portable device that you could keep in the back of your pocket.
translation.zh: 他拥有的大概不是黄铜制星盘。他有可能用木头或纸来制作 星盘。当时大部分星盘 皆是便携设备 它们一般可以存放于你的荷包中。