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Sunday, 11 April 2021


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Well, it's Tri-X in D76 1:2....but I'm blanking on the last "one"....

Kodak Tri-X film developed in D76 mixed 1:1?

TriX in Dektol. 1 to 1.

Tri-X in D-76, 1-1.

Good nick to remember :) Kodak TriX in D76 1:1. I prefer 1:3 and Ilford, though.

That's what I used.

TMax in D76 developer diluted one to one.

Tri X in D-76 one to one dilution, LOL

Tri-X developed in D76 diluted 1:1 with water.

Tri-X in D76 diluted 1:1

TriX in D76....for starters, former darkroom guru.....

Tri-X developed in D76 at a ratio of 1 to 1

The d76 part may refer to Dektol 76.

Tri-X in Dektol-76 12 minutes, agitate once a minute?

(Even if that's wrong, I like it)

Ha! Film, developer, dilution. I remember it fondly, sometimes. :)

TriX in D76

But I didn't get 121

TriX (developed) in D76 1:1

I can get most of it. Tri-x in D76 1:2 but the final 1 stumps me.

@1 to 1 ..... and Bob's your uncle !

Everyone knows you always did TRI X in D76!

Tri-X in D76 developer - but not sure of dilution or time? Maybe 12 minutes at 1:1 dilution?

Pretty sure it is not your North Dakota Taxi drivers license number.

Yep. Used that a lot myself (especially in the college photo coop darkroom, where we didn't use any developers that got reused since we felt that might be a bit risky with that many users).

Txind76121: I get part of it, I think. "Tx" is tri-x film. "In D76" that's the film developer. The "121" throws me. Sorry. In the 60s I spent countless hours processing film, especially Tri-X. But 121 still throws me after a long think. I'll probably kick myself when I read the correct answer.

Ratio, that is ! We're done here.

There are 2 editions of this book by 2 publishers.

TX must be a kodak black and white film. d 76 is a kodak film developer. 121 must be a dilution (but i didnt use kodak film or chemicals back then so i do not know if it means 1 part d76 or 12)
ps. i was just a darkroom novice, that era ended and i never became rat.

Tri-X in D76 at 1:1 ratio

i just thought that maybe 2 in 121 is just "to" so 1 part d76 and 1 part water.

Trix in Kodak D76 diluted equal parts stock developer & water.

Tri-X in D76, at 1 to 1 dilution.

Yep, my favorite combination(as well.)

Well, it took some thought, but yes, Tri-X in D-76, 1:1. We thought that would be the story of our lives, but then...

Looks like "Tri-X in D76, 1:1," to me, but I've only had limited darkroom experience.


Too easy. :)

Tri-X in D-76, 1:1 mixture.

Tri-X in d76 1-to-1 (dilution from working solution I guess).

Easy enough after the big hint that it's a darkroom thing. Nice puzzle for a rainy Sunday.

Tri-X in D76 1:2


Tri X film in D-76, 2 to 1

For negatives to be scanned, I used D-23.
1 to 1.

Tri X in D-76 1 two 1 or (1:1)

Tri X in D76. don't know what 121 means. Size??

Hello Mike,

As a former darkroom rat as well, I couldn't help but chuckle at your eBay handle of txind76121. Has to be Tri-X film developed in D-76 diluted one-to-one. Most of my black & white film photography was with Plus-X film developed in D-76 diluted one-to-one at 68 degrees for 8 minutes. I still have the negatives from the 1960s, 70s, 80s and 90s.

Could it be Tri-X in D76 (developer), 12:1? Hmmm...I'm nerding out this week on photography, music, and guitars! It's wonderful!

I'm guessing I may not be the only one to think it means Tri-X and D76 diluted 1:1. It is making me nostalgic for the darkroom my dad built in the cellar when I was a kid.

Tri X in D76 one to one. And I ain't no lab rat ;-)

I used an accountant who specialized in entertainment. And I always got a refund. Taxes are complicated, and the rules are ever changing—an excellent reason to use a specialist in your field.

Best California Vanity Plate I've seen recently CLOKWRK. It was on an Orange Honda.

Tri-X in D-76 diluted 1:1? Those were the days!

Looks like Tri-X in D76 but can’t work out the 121, 12.1 minutes seems a bit long (right?), maybe you were going for 120 as in the format but that handle had already gone so you had to bump to 121!

Tri-X in D76. Were you using a dilution of 1:21? That seems extreme. . .

Tri-X in D-76 1:1

Tri X in D 76 1:21

I've got Tri X in D76, but not the 121.

Tri-X (film) in D76 (developer) diluted 1:1

TriX in D76 (1:1) - ah, I remember it well!

(Have been lurking on your blog for years. Love your style and share your outlook on life - though I’m not plant based! Just based in UK.)

Huh! I think I see tri-x in d76, but 121 has me a little flummoxed! Could that be a amount of time?
By the way, if I’m right, do I win anything?

TriX in D76 1:1 maybe? I can smell it.

Tri-x in D-76 diluted 1:2 ?

Hi Mike. Tri-X in D76, one-to-one.
Easy for photographers of, shall we say, a certain age.

Ha, I used diafine but yeah, I get it;
Tri-X developed in D76 diluted 1:1
What do I win?

Tri-X in D-76 1:1.

Shaken, not stirred.

Tri-x developed in D76 at 1:1 strength

My guess is that "txind76121" means Tri-X film ('fast' black and white) developed in D-76 developer, diluted 1:1. (I don't think that "121" refers to the film size/format, because that was discontinued in 1940 which doesn't match your age or that Tri-X was not introduced until a decade later.)

Trix developed in Kodak d76 diluted one to one

easy peasy :-)

I’m guessing Tri-X in D76 but the 121 beats me as 12.1 minutes makes no sense, neither does 1.21 minutes or 121 minutes!

Well, Tri-X in D-76 is clear enough. Not sure about the '121' yet.

unfortunately, the only darkroom experience I have had was in a community college night class, but maybe Tri-X in D76... and some dilution/time numbers?

Tri-X in D-76, 12:1 dilution

My guess: D76 stock (1:1) was your preferred developer with TRI‑X 400 film.

I'll take a guess: "Tri-X in D76 (1 to 1 dilution).

Tri-x, developed om D-76 mixed 1 to 1: A piece of cake

Took about 5 seconds to work out. Oh dear, I'm old. :(

txind76121 Stands for Tr-X in D76 1:1.

Tri-X in D76 ... ? Not sure what the rest means.

Ah! think the 121 is 1:1 dilution.

Mine would be:



Tri-X in D76 developer stock diluted 1 to 1

I'm guessin'
tx = TriX
in = in
d76 = D76 developer
121 = 12 minutes, single use.....or perhaps this fellah Mike's assets in US$ millions!

Tri-X in D76 1:1

Tri X in D76 1 to 1

Tri-X in D76 12 minutes 1:1 Dilution ??

You shoot tri-x film in D76 full strength, or 1:1

Tri-X in D76, diluted 1:1. A formula I used myself, for many years.

Tri-X film in D-76 developer diluted 1+1.

It is quite arresting how quickly this has gone from being something anyone who is interested in photography would know to an esoteric pieceor arcana.


TriX in D76 1:2:1

Tri X in D76 1:2

I know what it means, but if you were an Englishman, your Ebay handle might have been HP4inid11121 instead.
: )

TriX in D76 [diluted] 1:1

Tri-X in D76 something.... Doesn’t appear to be time, so?

Neighbor's plate was YRFTOC
Finally asked him... Was short for You're Following TO Close

Minnesota (like most states) censors vanity plates. One that slipped through. and made it into a newspaper column, was something like XE5LAR0 which, seen on the front of a car, in your rearview mirror, said "ORALSEX. Well, I was aghast.

TriX developed in D76 with 1:1 dilution. Obviously. Or if not obvious, at least plausible.

Another comment: when I first saw the headline, I read it as "Darkroom...Rat-Riddle" rather than "Darkroom-Rat... Riddle."

That was pretty to figure out. Know you've been a fan of both.

Personally, not a fan D76, even less of one of Tri-X. Tri-X and I just did not get along.

For me it was FP-4 and highly-diluted Rodinal.

It's a particular kind of violence that replaces a word's meaning. It took me a strangely long time to realize "darkroom" in your title did not mean the app: https://darkroom.co

I saw a good one some years ago - a personalised number, as we call them. It was white letters on a pink background and it said BLONDE with several of the letters reversed. Made me chuckle.

Seen on an automóvil (Spanish for car) in California: PAN 8. In Spanish 8 is pronounced Ocho. Google panocha. Seems like a vato (Spanish for dude) beat the vanity-plate censors 8-0 In my part of SoCal Anglos (non Hispanic whites) also know a lot of Spanish—especially the naughty words ;-)

Audios, I have an early Doctor appointment tomorrow.

I use 1+1 notation. No ambiguity to me ;-)

Tri x in D-76 dilute 1 to 1
That's how I processed as well.

While I get the photographic reference, I'm wondering how many eBayers will be trying to figure out the "IND" part about the Texan they're contracting with. TX is the postal abbreviation for Texas, of course, but 76121 is a zip code associated with Ft. Worth, too. It's a very Texan handle, even if it wasn't meant to be!

Reminds me of a vanity plate for a Saab: CAAR.

There is a new (2020) edition of Leonard Freed's book out now. Reproduction is much better than the 2010 facsimile edition.

Thanks Chuck. I fixed this. --Mike]

I never worked in a darkroom (my loss), but I do some day plan to have the license plate eccl1:2 if it is still available.

[Sounds meaningless to me. :-) --Mike]

I got the Tri X D-76 1:1 handle. I'm going to guess the D in D-76 stands for developer, and it was the 76th formulation that they decided on. Which is similar to how WD 40 got it's name. It stands for Water Displacer and was the 40th formula they tried. WD 40 is a great product, but it is not a lubricant.

Fun Fact: the D in D-Day stands for Day.

When I lived in Los Angeles, I once saw a car w/ a vanity plate FILMOYL. I verified w/ the owner at a stop light that he was, in fact, an editor.


Late to respond here - I would have said Tri-X D76 @ 1:1 - so all I can offer is my favorite vanity plate. COQAUVIN on a brown Ford minivan.

Just looked at that and it can't be right. Only seven characters were available. Must have been COQxVIN where x was probably O.

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