This is a thread to document the various incarnations of the TNG/DS9/VOY hypospray! I'll start off with what I've collected and feel free to add in other variations (particularly VOY as that is a weak point for me).
Starting off in season 1 of TNG, the first appearance is in "The Naked Now" here:
This first version has a gray body with a darker grey head and grips. The two raised buttons are a light tan with a third button on the lower right that is painted on. That button and the neck ring/groove are painted a dark brown (possibly Krylon Leather Brown). Finally, the groove at the end of the brass tip is painted black.
Something to note is on this and some other early hypo props, the triangular profile of the head is sharper at the top - later hypos have it blunted a bit.
Dr. Pulaski gets a new hypo all her own! Or maybe just a repaint to remove the third painted button? Another possibility is that this is another hypo from Season 1 which didn't have the third painted button.
The Pulaski hypo seems to be lighter over all with gray on the head and grips, and light gray neck/body, but it's hard to tell given the weird color timing in the first two seasons. Maybe they're the same colors? See the Season 3 section for more color discussion. Tan/beige buttons, no third painted button, and the neck ring/groove is dark brown.
Two are visible in one shot in Time Squared - maybe the S1 version with the painted button? If so it's proof the overall color is the same between S1 and S2. Again, the odd color timing makes it hard to tell, and for that matter to tell if this one is the same as the Season 3 version below.
Largely the same as the previous version - possibly just a continuation of the Season 2 version. In the photos below with the hypo next to other gray props there are at least 4-5 gray tones! The hypo colors seem the closest to the fork-tipped modular tool, which I don't think was repainted for Season 3 (the tricorder is a new build for Season 3).
In Season 4 we start to see some tape detailing added to the hypos. I don't have a lot of hypo screencaps saved for these seasons but there seems to be two main styles...
First off, the Best of Both Worlds shot seems to have some tape added to the neck. I think this may be a new hypo given the dark buttons and flatter peak on the triangular profile of the head (though one of the Season 2 hypos seems to have this profile as well). Other screenshots show the body/head/neck paint color to be as before, but the buttons are darker and the neck ring/groove may be black now as well.
Mike has posted these of a hypo before it left his shop - I'm not sure if this is the same hypo as above but it is similar.
Here is another new style:
This one has a white neck, gray body/grips/head, and only one button the same color as the rest of the body. Red-brown neck ring, black tape in the neck grooves, and a bunch of tape everywhere else. The triangular profile on this one is very sharp and it has a black painted groove in the brass nozzle. Maybe a repaint of the one from The Naked Now?
Again my screencap reference for Seasons 6 and 7 is spotty, but from what I have and from auction reference there is one final new style introduced somewhere midway through Season 5. It's all light gray paint on the neck, head, and body, with darker gray paint on the grips. There's all silver tape on this version. I see both black and tan or brown buttons in reference (brown appear first and then black later):
6x02 "Realm of Fear"
The third one above is the Season 4 white neck/mega-tape one, which also shows up on the trading card below:
From an auction:
Behind the scenes video, Season 7ish:
Interactive Tech Manual (shot at the same time as the BTS video?):
So, those are all the TNG variations I know about... I'll followup with a DS9 and VOY post. Please feel free to add any other reference you might have to this thread