What has the author O L P Masefield written?

Answer 1

O. L. P. Masefield has written:

'Design of a manual roll control for a trainer aircraft'

Answer 2

O.L.P. Masefield, also known as John Masefield, was a British poet and writer known for his literary works such as "Sea Fever," "The Everlasting Mercy," and "Dauber." He also served as the Poet Laureate of the United Kingdom from 1930 until his death in 1967.