Section of early underground telegraph cable, 1846

Telecommunications

1846

Model of an Assyrian kelek or raft of inflated ox-hides, one of three models of Babylonian vessels of skin

Water Transport

700 BCE; 1931

Ceramic figure of Shen Nung, China, 1800-1920

Asian Medicine

1800-1920

Section of underground telegraph cable, 1846

Telecommunications

1846

Two 1/8 Scale Speaker

Television