This vintage 21 volume set on Blueprint Reading is a perfect addition to any collector's library. Published by The Austin Technical Institute in 1941, the set includes a variety of subjects such as Mechanical Drawing and Architecture, making it ideal for advanced technical students and professionals. The set comes in its original box and weighs 2 lb 6.5oz. Each book has dimensions of 6" L x 9" H x 3" W and the set is missing only volumes #7 and #19. The language of the set is in English, and it includes features such as a box set, making it easy to store and organize. This set is a perfect study guide for any subject area related to Blueprint Reading, and is a unique piece of history.