3 resultados para High-work-function metal
em CUNY Academic Works
Resumo:
Students in the Sheet Metal Department at the New York Trade School are shown working on ductwork in a classroom at the school. Black and white photograph.
Resumo:
A class of sheet metal students are shown working in this black and white photograph.
Resumo:
A view of students at work in a classroom in the Sheet Metal Department at the New York Trade School. Black and white photograph.
