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Two Editions
Gyro Gearloose #1184
Quickest way to distinguish between the two is check
the back cover for a Twinkies ad or a Gyro one-page gag.

Gyro Gearloose #1184 Edition w/ads Edition w/gags

Front
 

Outside Back Cover
Twinkles ad
 

Outside Back Cover
"Mechanized Mess"
(Barks)
     
Other Differences: ads "gag story title"
Inside Front Cover > Dell Comics Contest ad "The Nose Knows"
(Barks)
Center two pages > Dell Trading Post ad "Odd Offspring" and "Quiz Fizzle"
(non-Barks)
(last inside pg) Page 32 > Gyro gag "Home Movies" half pg
(non-Barks)
 and Shoe Co. ad half pg
Donald Duck gag "Sour Notes"
(non-Barks)



Gyro Gearloose #1184
Stories by Carl Barks
The following 4 stories plus the one-page (non-Barks) gag
on inside back cover "The Old Timer"
are identical in both Editions

  Monsterville: (10pgs) This is the tale of a great inventor's greatest feat, and of the low-down come-uppance it got him!

Oh, Duckburg, you busy Beesville! how your citizens needlessly waste ENERGY - All Because your work ways and play ways are so hopelessly old hat!
     
The Cube: (5pgs) The place: Duckburg Stadium! The time: The Day Gyro introduced the brand-new sport he invented, fittingly named 'cube'!

I open the game with a Boomp-off

And I get in position to stick-it-up!
 
     
  Mighty But Miserable: (7 pgs)
You dimwitted, addleheaded, simple-simoned, dumbskull!
You're a disgrace to the rest of us!
Aw, fellas! I can't help it!

Horrors! What a rowdy family hassle is going on in there!
 
     
Brain-Strain: (7 pgs) Can an inventor still invent when he is deprived of all modern tools and methods? We are about to learn the answer to that Question!

Wak! I'll never forgive the weather for sinking my newly-built boat!

Now that I see how you built the craft, Donald I'll never forgive you for inviting me to go sailing in it. Thumb Tacks indeed!
 
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