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This set starts with four small period guns.

Again, sorry for my goofs. With this many guns there has to be a few.
If you've read this far in my posts, then you deserve congratulations.

#C P57 11 May 2015.
x = 177, y = 67, rule = LifeHistory
28.2A11.A80.2A11.A$27.B2AB9.A.A78.B2AB9.A.A$28.3B9.A.A2 ...

Thought i could do this in 3 posts. It's gonna take four.

#C P878 30 Apr 2015. Related Gun: P560
x = 79, y = 70, rule = LifeHistory
19.2A11.A$18.B2AB9.A.A$19.3B9.A.A2.2A3.A$18.B.B9.2A.2A2.A2.A.A$18.5B
8.B2.A.A3.A.A$18.6B6.2ABA2.4A.A$18.8B4.2A.A.A3.A$19.13B2.A.AB2.A15.2A
$17.13B5.A.A2B.A14.A$16 ...

Some more. These are roughly in the order that I found them.

I really should post a bit more often. This is ridiculous.

#C P885 7 Apr 2015.
x = 94, y = 83, rule = LifeHistory
28.A11.2A$27.A.A9.B2AB$19.A3.2A2.A.A9.3B$10.2A6.A.A2.A2.2A.2A9.B.B$9.
B2A2B4.A.A3.A.A2.B8.5B$10.4B5.A.4A2.AB2A6.6B$8.6B7 ...

I don't post very often, so I'll try to make it count.

I congratulate those who have discovered such fabulous technology over the last few months. There has been amazing advances with the syringe, semisnark, injectors, conduits and Herschel to glider converters.

I think that these small bounding ...

07, 09, 12

...
The following is a fairly complete "stamp collection" of the Herschel conduits that Hersrch knows about. ...

I made a small contribution by finding Lx73p5, that seems to be missing from your collection. It's featured in the p145 gun shown here:
x = 112, y = 54, rule = B3/S23
52b2o14bo25bo ...