T. B. Jefferson

(Lane) (1) 671.52 (2) Acquired in PA (1) Antecollection (1) Antigüedad (1) artesanía (1) Ciencia de materiales (1) Crafts-- Metalwork (1) CW (2) Electric Welding (1) Enciclopedia (1) Fabricators (1) how-to for weldor wannabes (me) (1) infantil (1) Ingeniería (4) M34 (1) materials (2) mechanical (1) Metal (1) Metal Cutting (1) metals (1) Metalurgia (2) metalworking (2) Old Library Shop Bethlehem (1) Oxyacetylene (1) Referencia (2) shelved in Fabrication Bldg. (1) shelved in Welding Bldg. (1) Soldadura (12) tech (1) workshop stuff (1)