I have been six weeks making the tube of milled board; and as I had not enough money by twelve pounds for the lens, I borrowed it of my grandmother out of her last annuity payment.

我已经用了六个星期来制作碾磨板管； 由于我没有足够的 12 英镑钱来买镜片， 所以我从祖母最后一次年金中借了它。