The Classic Tricorder

By Richard A. Coyle

 

The Classic Tricorder was never intended to be the "Everything" machine it ended up being.  Its first mission priority (cinematically, at least) was merely to justify the accompaniment of the enticing Yeoman Rand with the Trek landing parties.  It is well established in futuristic space lore that there is no real reason you would take a pretty girl along unless she had a good reason to come; ergo, she needed a Tricorder.  Not surprisingly, its name really covers what it was originally intended to accomplish from a technical mission standpoint, which was to record the mission, in (1) picture, (2) sound, and (3) sensor.  Thus, there were three recorder functions for the tricorder.  Later, with the departure of  Grace Lee Whitney, who played Yeoman Rand, and with budget problems that seem to be endemic to television sci-fi series, the lowly tricorder became the answer to every question: the problem solver, sensor reader, computer library...you name it; the tricorder could do it.  In the biz, it is know as a plot development device,  -- something to move the story along easily and quickly.

 

Now to the details. Unlike the common versions seen at your local Star Trek Conventions, these were not made of vacuum formed plastic.  The only part that was vacuum formed on each model was the hood.  Many had fiberglass doors and side panels, with plastic over a wood back.  Many did not even have opening doors, and some had only the top small door that would open.  These were made in a hurry for low dollars, and when you see a real one you can see that.  They are ratty, bent, poorly fitted things, and many fans would have passed these up sitting on a table, thinking some kid hacked them together in his basement, and that surely such heaps could not be a real live TV prop.

 

Another detail often incorrectly “replicated” was the color of the tricorder indicator lights.  In real Trek, the three rhinestones were only blue -- not yellow, red, and blue as many have done -- just three blue rhinestones.

 

The hood had an aluminum plate with a cutout shaped like a then current TV screen.  They even vacuum formed a small clear plastic face to match the shape of a picture tube from those days!

 


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