A new biography of the iconic window pane in the 19th century, titled “The History of the Modern Window Panes” by the American historian Richard G. Gwynne, is the latest work to be published by the Smithsonian Institution.

The book chronicles how the American window system evolved over a half-century and the challenges faced by designers, architects, and mechanics in the face of the growing number of windows in the United States, many of them made of glass.

The new book, which will be published in 2018, is Gwynnes first to explore the history and development of the windows, which were often of wood or glass and could be painted, covered with a material such as cloth or cloth-covered paper and covered with an adhesive backing.

The earliest windows in America, as illustrated in the new book are dated from the mid-1800s and show how many new windows appeared, Gwynnis new book tells of his journey through history and its impact on the lives of Americans.

Glynnes book will be available as a digital download.

“We are proud to bring this book to the public, as the work of a distinguished American historian, whose research is based on his years of experience working with American windows,” said David H. Cohen, the Smithsonian’s associate curator for windows and windows.

The work, titled The History of The Modern Window Plates, is part of the Smithsonian National Collections, which also include an exhibition of 18th century drawings by renowned illustrator William Penn, and a collection of photographs from the life of architect Henry James.

Gwenns research into the history, development and preservation of the United Americans window system has garnered him awards and honors from the American National Museum of American History, the American Institute of Architects and the American Society of Civil Engineers.

Gwynnes book is a collaboration with the National Park Service and the Smithsonian Institute.

It is also part of Smithsonian’s ongoing “Gwynns and the Future of America” initiative, which includes projects on topics ranging from the intersection of art and technology to the legacy of American technology in the American experience.

The book will also be part of an exhibition on the history at the National Museum.

The Smithsonian Institution is the nation’s oldest and largest museum dedicated to the study of the American people, history and culture.

The institution’s National Museum and Historic Site is the largest public collection of the nationís history.