Industrial Mathematics Practically Applied - An Instruction and Reference, Book for Students in Manual Training, Industrial and Technical Schools, and for Home Study #249692 7,85€
Dr. Grant's System of Railing Spiral Stairs - This Hitherto Unsolved Problem Solved; The Solution Is Exceedingly Simple #251222 55,85€
Priced and Illustrated Catalogue of Mathematical Instruments and Materials for Drawing, Surveying, and Civil Engineering - Made, Imported and Sold, Wholesale and Retail #271964 7,85€
