Fireless Cooker Cooker composed of several parts; the outer bucket and lid are made of wood, and the interior bucket is metal. In addition to the sawdust insulation layer, there is a heating stone at the bottom of the interior metal bucket. The fireless cooker was designed to allow field workers to eat warm foods. 1920 Tuskegee Institute National Historic Site, TUIN 1562 Canning Jars Clear glass pint "Ball Ideal" canning jars with lid. Glass, W 8.5, L 12.5 cm Tuskegee Institute National Historic Site, TUIN 1563 Clear glass pint "Ball Ideal" canning jars with lid. Glass, W 7.5, L 11.7 cm Tuskegee Institute National Historic Site, TUIN 1564 Clear glass pint "Ball Ideal" canning jars with lid. Glass, W 8, L 13 cm Tuskegee Institute National Historic Site, TUIN 1565 Clear glass pint "Ball Ideal" canning jars with lid. Glass, W 7.5, L 12 cm Tuskegee Institute National Historic Site, TUIN 1566