http://b4hntuy3fimfh2227vf4f74emnya7p35i5brtqujs6leqvtclfwvjbqd.onion/doc/physics/diamonds-crookes/The%20Project%20Gutenberg%20eBook%20of%20Diamonds,%20by%20William%20Crookes..html
The wages are, whites, £5 or
£6 a week; blacks, underground, 4s. to 5s.
a day, and aboveground, 21s. a week. [36] The Compound System With gems like diamonds, where so large
an intrinsic value is concentrated into so
small a bulk, it is not surprising that
robbery has to be guarded against in the
most elaborate manner.