http://b4hntuy3fimfh2227vf4f74emnya7p35i5brtqujs6leqvtclfwvjbqd.onion/doc/physics/diamonds-crookes/The%20Project%20Gutenberg%20eBook%20of%20Diamonds,%20by%20William%20Crookes..html
I had full access to
all the workings, above and below ground,
and was able to examine at leisure their
stock and take extracts from their books. Again, in the year 1905, I paid another
visit to Kimberley as the guest of Mr.
Gardner Williams on the occasion of the
meeting of the British Association in South
Africa.