Henry Orford eBooks
eBooks di Henry Orford
Lens-Work for Amateurs. E-book. Formato PDF
Henry Orford
edizioni Forgotten Books collana , 2017
Knowledge will supersede many hours of careful and Often wasted labour. But I have endeavoured to make my practical instructions as plain as possible, and to adapt them to the requirements of young workmen as well as amateurs, and hope that they may serve as.