furnace annealing
31Medieval stained glass — is the coloured and painted glass of medieval Europe from the 10th century to the 16th century. For much of this period stained glass windows were the major pictorial art form, particularly in northern France, Germany and England, where windows… …
32Crucible steel — Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) Pearlite (88% ferrite, 12% cementite) …
33Glassblowing — Glassblower Jean Pierre Canlis (right) …
34Dominick Labino — Born 1910 in Fairmont City, PA Died 1987 in Grand Rapids, OH Nationality U.S. citizen Occupation Glass researcher and scientist, fine artist Known for Research an …
35Metallurgy — Georg Agricola, author of De re metallica, an important early book on metal extraction Metallurgy is a domain of materials science that studies the physical and chemical behavior of metallic elements, their intermetallic compounds, and their… …
36Powder metallurgy — is the process of blending fine powdered materials, pressing them into a desired shape (compacting), and then heating the compressed material in a controlled atmosphere to bond the material (sintering). The powder metallurgy process generally… …
37Glass beadmaking — The technology for glass beadmaking is among the oldest human arts, dating back 30,000 years (Dubin, 1987). Glass beads have been dated back to at least Roman times. Perhaps the earliest glass like beads were Egyptian faience beads, a form of… …
38Harvey Littleton — Infobox Person name = Harvey K. Littleton caption = birth date = June 14, 1922 birth place = death date = death place = other names = known for = Founder, American studio glass movement occupation = Artist, educator nationality = U.S.… …
39hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …
40Acetylene — HCCH redirects here. For other uses, see HCCH (disambiguation). Acetylene …
