Engineering

Ruhmkorff, Heinrich Daniel

German inventor

Griffiths, John Willis

American naval architect

Rustication

architecture

Epitaxy

crystallography

Broaching Machine

Solar Water Heater

technology

Cornu, Paul

French engineer

Shaduf

irrigation device

Sommeiller, Germain

French engineer

Air-conditioning

Jouffroy D’Abbans, Claude-François-Dorothée, Marquis De

French engineer and inventor

Froude, William

British engineer

Mortar

building material

Lath

construction

Blasting

Lister, Joseph Jackson

British opticist