Lot of 17 International Correspondence School books with Slipcase 1914 1st Eds

Lot of 17 International Correspondence School Textbooks with slip case.All are 1st Editions published in 1914! Lot includes: Slip Case "International Correspondence Schools" 17 Booklets: Milling-Machine Work - Parts 1, 2, 3, 4, 5 (#1668, A, B, C, D, E) Grinding - Part 1, 2 (#1671, A, B) Drilling - Part 1, 2 (#1662, A, B) Shaper and Slotter Work (#1666) Planer Work - Part 1 (#1665 A) Lathe Work - Part 1, 2, 3, 4, 5, 6 (#1664, A, B, C, D, E, F) Slip case is in fair condition. It is soiled, there are spots, scuffs and edge wear. Booklets are in good condition, especially considering their age and years of storage. No creases. Outer covers can be fragile, but pages are tight to the spines See photos and reach out to me with any questions.