A complete key to Gummere's Surveying : in which the operations of all the examples, not solved in that work, are exhibited at large principally designed to facilitate the labor of teachers and to assist those who have not the opportunity of their... 12+

📙 Книга "A complete key to Gummere's Surveying : in which the operations of all the examples, not solved in that work, are exhibited at large principally designed to facilitate the labor of teachers and to assist those who have not the opportunity of their instruc".Эта книга — репринт оригинального издания (издательство "Philadelphia : Kimber & Sharpless", 1837 год), созданный на основе электронной копии высокого разрешения, которую очистили и обработали вручную, сохранив структуру и орфографию оригинального издания. Редкие, забытые и малоизвестные книги, изданные с петровских времен до наших дней, вновь доступны в виде печатных книг.