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"I'm a fairly visual thinker. In doing science, I think in terms of pictures of things happening, and then do the mathematics."
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In the course of the last two hundred years, a number of technologies were developed to move small pieces of paper or similar items from place to place. The ones I'm thinking of were used to transport money or receipts from one place to another in a business. Pneumatic tube systems were one example; in this case, an elaborate system of tubing was built within (and between) large buildings to carry materials. These systems were expensive (much like specimen tracks would be) but were cheaper than the alternative; that is, hiring someone to move the object from one place to the next.
Another system, which was in use through the 1980's in a store in my home town, was a kind of gondola and trolley system. A clerk would wait on a customer and then total the items near the entrance to the store. The customer would hand the clerk the money (this was pre-Visa). The clerk would place the money and the totalled bill in a small "gondola" or box which was then lifted about twenty feet in the air, where it attached itself to a sort of train track. The "train" would then go to the inaccessible rear portion of the store, where the accountants would process the transaction, checking the clerk's work, and then returning change and a receipt. Comment/Join this discussion ( 2 ) | RSS/XML | Blog This | Additional
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