Giddings and Lewis 70A-Dp 4-T and 5-T Horizontal Borer. Parts Manual Giddings and Lewis 70A-Dp 4-T and 5-T Horizontal Boring, Drilling and Milling Machines. Spare Parts Manual as Sectional Drawings. Manufacturers: Giddings and Lewis Models: 4-T 5-T 70A-Dp 4T 5T Contents: Parts Manual