When, in 1858, Joseph Lister amputated the right leg of a six-year-old girl suffering from gangrene, he noted that the autochthonous blood clot extended down the anterior tibial artery as far as the commencement of the gangrene.

The 23 February 1667 Sunday. All the morning flat calm until after six. At the coming away of the ebb sprang up a small gale at W.N.W. and N.W. by W., that we stretched along the shore toward the Ness, S.W. course. The wind northered and came easterly, a small gale. We stayed for our boat until one, which we had sent to search 4 French shallops that assured lay there to lade wool.

Whatever cures are known, and preventions that are practiced now, could have been common knowledge centuries ago.

The dandy roll should be placed at the upstream side of the open area so that one-third of this space is between the center line of the dandy and the upstream side of the open area.