This next prop is a fairly well-known prop--which is interesting because it actually appeared in only four
Original Series episodes. The first time we see this silver Easter-egg thing with a clear tapered pointer is in "Charlie X." As I mentioned in my post regarding the "Phynburg Oscillating Framizam/Anabolic Protoplaser," this device is handed to the character "Crewman 1" and is identified in the "Charlie X" script (somewhat jokingly) as an "Irvingoscope"--named after
Star Trek prop master Irving Feinberg. We can see it in "Crewman 1's" left hand in this screen shot:
Some obvious (and not so obvious) things to notice about the prop are its silver-blue color, its slightly pointy egg shape, some elongated red ovals cut into the body of the device, a stepped aluminum collimator, a transparent (not translucent/frosted) segmented emitter tube (with six segments), and a black button about three quarters of the way back on the device.
This egg-shaped device shows up again in "The Squire of Gothos"--except now it has the function of a "laser beacon." Mister Spock gives it to Lieutenant DeSalle--who later uses it to try and signal the
Enterprise in orbit when the communicators don't work:
Between this scene in "Charlie X" and the scene of DeSalle using it in "The Squire of Gothos," you can make out the small black button fairly well:
This device has two more appearances in
Star Trek. It shows up in "The Galileo Seven." There are a number of tools and pieces of equipment lying on the shuttlecraft's "wing" as Mister Spock is making repairs and you can see it among the tools:
Lastly, Captain Kirk uses this device as some kind of welding or soldering tool as he works to try and get the viewscreen operating in the auxillary control room on board the
Constellation in "The Doomsday Machine:"
Actually, there is one last picture of this prop. A black and white publicity photo of the prop appears in the book
The Making of Star Trek by Stephen E. Whitfield and Gene Roddenberry. Interestingly enough, for some reason, Whitfield identifies this device as an "offensive/defensive ray gun--emits a light beam." (Indeed, the clear emitter tube on the prop does indeed light up. But an "offensive/defensive ray gun?")
It's a little hard to tell, but by putting all these pictures together, looking at the prop end-on from the tail end, what you have is an "egg" shape with red, oval cut-outs at the three of the four ninety degree points--but at the fourth one, there's a black button instead. Here's a diagram:
At any rate, here are some shots of my two Irvingoscopes/Laser Beacons/Welding Torches/Ray Guns. Please disregard the cat as she attempts to activate this potentially lethal device.
The beam emitters do light up:
It's also interesting to know that the same clear six-segment emitter tubes from this prop are also used as the pivoting sensor device over the beds in the Sickbay Ward Room; they have a small light bulb behind them and are lit from behind. (Although these emitters are clear on the Laser Beacon prop, they are translucent/frosted for the overbed set decoration. People sometimes get these two mixed up and, when making these Laser Beacon props, mistakenly use frosted beam emitter tubes. For shame!)
Here is just an extra (frosted, not clear) emitter, ready for installation over our Sickbay Ward Room bed on our
Phase II Sickbay set: