| Description | Letter addressed to the Harbour Trustees of Aberdeen: "Gentlemen, I beg to say that I have a number of (?) to drive for the Brdige and canal lock and having but a small engine which belongs to the Harbour Trustees which is to light for my purpose. I will be greatly obliged if you would have the goodness to loan one of your large engines which shall be taken particular care of and returned in good order and condition and I am, Gentlemen, your most obedient servant, John Mathison." |