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Author

Harold P. Coyle

8 books found

Cover of Batteries

Batteries

Harold P. Coyle · First published 2001

Cover of Bridges

Bridges

Harold P. Coyle · First published 2001

Cover of Electromagnets

Electromagnets

Harold P. Coyle · First published 2001

Cover of Gravity wheel

Gravity wheel

Harold P. Coyle · First published 2001

Cover of Project STAR

Project STAR

Harold P. Coyle, Harvard College Observatory · First published 1993 · Latest edition 2001

Cover of Solar house

Solar house

Harold P. Coyle · First published 2001

Cover of Windmills

Windmills

Harold P. Coyle · First published 2001

Cover of Project IMAGE--Investigative Materials About Global Environments

Project IMAGE--Investigative Materials About Global Environments

Harold P. Coyle, Irwin I. Shapiro · First published 1998