A new type of hollow brick closed on five sides called a chamber (Machine-translation by Google Translate, not legally binding)

摘要

A new type of hollow brick, or mistaken for five sides called chamber and characterized in that its holes are closed by one of its ends. The arrangement and distribution of the holes and solid parts means that light, strong construction is obtained, little permeable to heat, cold, sound and humidity. Its size makes construction economical and fast. (Machine-translation by Google Translate, not legally binding)