260 time, and the balance of heat and the balance of humidity, and protection from thunder, and precise astronomical glasses that the eye cannot perceive. And we also speak on the science of minerals and their extraction, and cutting stones from their quarries, and on the science of good wood and plants used in arts and crafts, and on useful animals, and on the science of ink, comparison, and geometry. And the fifth matter includes a number of branches of the science of saving expenses and state policy, and on alerts regarding the science of the conditions of kingdoms and states, and on the cause of their wealth and the richness of their people, and on the conditions of livelihood and sustenance, and on the birth of males and females in every town of the country, and on royal administration, and on the general principles used as a basis for Frankish policies, which are intellectual rights, legal rights, and human rights, i.e., the rights that states have over each other. The sixth is public health policy. And in this regard, it speaks on the vaccination of Najdi cattle, and on the plague and its issues, and on general diseases and ailments, and on some legislation. The seventh, in which we mention a number of various instructions from literary and philosophical matters, languages, and sciences such as the science of eloquence. And in it, it also speaks on offices and schools in different countries and excerpts from the histories of countries, especially Egypt. And on stories and anecdotes from the wonders of Frankish and Eastern literature and rhetoric. Likewise, we mention something of the science of logic and the art of loyalty. The eighth is the general syllabus for reading, writing, and arithmetic. And the method of learning these things in the shortest time for the benefit of general welfare. The ninth, in which it discusses the cause of various things, and in it we mention news of trade and sea vessels, the establishment of public caravanserais, and the improvement of roads, and the alarm, and bays, and the beneficial distillation, and the signal called telegraph, meaning the signal of news, and all the new works of the Franks, and we add to that