Note 1 — Affairs in the Philippines After the Death of Legazpi
Reading edition
The table of weights to which the marco belongs is as follows: 12 granos = 1 tomin; 3 tomines = 1 adarme; 2 adarmes = 1 ochava or dracma; 8 ochavas = 1 onza; 8 onzas = 1 marco; 2 marcos = 1 libra (= 1.016097 United States pounds).