While most of us are familiar with pneumatic transport systems by their use at drive-up bank windows, these systems are also commonly found in hospitals ferrying samples around. When [Aidan] was ...

While most of us are familiar with pneumatic transport systems by their use at drive-up bank windows, these systems are also commonly found in hospitals ferrying samples around. When [Aidan] was ...

Last week it looked as if Manhattan’s system might also succumb. A giant version of the pneumatic cash carrier system familiar to most department store customers, the 8-inch tubes of the ...