A gold dredge is a placer mining machine that extracts gold from sand, gravel and dirt using water and mechanical methods.
eight: being one more than seven
Bookbinding is the process of physically assembling a book from a number of folded or unfolded sheets of paper or other material. It usually involves attaching covers to the resulting text-block.
eight: the cardinal number that is the sum of seven and one
Gold Dredge Number 8 JN020040
Gold Dredge Number 8 - a historic site and museum (and tourist attraction) from the gold mining and panning era in Fairbanks, Alaska.
Gold Dredge #8 - Fairbanks
This is the gold dredge #8 in Fairbanks--still working--amazing how thet got all that heavy equipment up here and into the interior