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and dear friend, Mr. Heinrich Zeising, now deceased, such that he could neither satisfy this proverbio proverb himself, nor leave behind such heirs who could perform and fulfill his promise.
For, after he published the 1st part of his Theatrum Machinarum Theater of Machines in print three years ago—in which he explained, both artistically and clearly, all sorts of machinas machines by which any heavy load can be moved, raised, weighed, pulled, brought, and led from one place to another, and placed them so clearly before the eyes with the simultaneously attached Kupfferstücken copper engravings that everyone can easily understand, grasp, and put them to use—he promised at the end of such a book to publiciren publish this second part as well and bring it to light. In it, he intended to deal with