While most of us are familiar with pneumatic transport systems by their ... the inside of one of these pneumatic tubes, giving some insight into how this system actually works.

While most of us are familiar with pneumatic transport systems by their ... the inside of one of these pneumatic tubes, giving some insight into how this system actually works.

Special to The New York Times. TimesMachine is an exclusive benefit for home delivery and digital subscribers. Full text is unavailable for this digitized archive article. Subscribers may view the ...

Scientists say they have created a methodology that could replace two diesel engines powering a ferry boat with pneumatic ...