His first invention was to design luggage that was flat and therefore easy to stack in railway carriages.

他第一个创意是设计一种扁平而易于堆放在火车厢里的行李包。

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Fits Right In: With its easy-to-read display and easy-to-stack design, the control console will look good in your home-entertainment setup.

ENGADGET: Logitech intros $350 Surround Sound Speakers Z906, Black Eyed Peas still capable of ruining them

One of the glasses, identified as a "joker, " was the standard thick-sided, easy-to-stack 16-ounce pub glass.

WSJ: An Enduring Tradition

With digital and analog inputs, an easy-to-read-and-stack control console and a wireless remote, the Logitech Surround Sound Speakers Z906 let you take charge of your entertainment.

ENGADGET: Logitech intros $350 Surround Sound Speakers Z906, Black Eyed Peas still capable of ruining them