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The double-dog dare, continued...

By The Armorer on March 1, 2009 | | Comments (12)
You guys are sniffing around the answer, and, in fact, have figured out bits and pieces.

So, let's make this a little easier, by adding the missing piece.

The missing link.

See?  It's just so bloody obvious now, right?

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12 Comments

By BillT on March 1, 2009 7:54 AM
See? I *toldja* you couldn't use it at Gitmo...
 
By Neffi on March 1, 2009 9:43 AM
Oh, it's for the 10,5 cm Kanone! Well, no wonder I was off....
 
By Heartless Libertarian on March 1, 2009 9:51 AM
10.5cm=105mm.  I can't recall if Herman used 105s in WWII, so that might make it post-war, Bundeswehr issue.

Ballistic caluculator for a 105mm howitzer?
 
By John of Argghhh! on March 1, 2009 10:13 AM

The Wehrmacht did indeed use 105mm guns during WWII, it was their standard divisional gun.

The gizmo is a mechanical maker-of-calculations.

But not the ones you are driving at.

 
By John of Argghhh! on March 1, 2009 10:19 AM

And the marking on the insert reads

10.5 cm Kanone L42

Spitz Geschoss Charge 1

 

 
By Heatha on March 1, 2009 11:21 AM
"correction of movement plotter. this was laid over a datum sheet for the type of gun/shell."
Hey, I think I had this right before.

Heath

Arte et Marte
 
By HomefrontSix on March 1, 2009 1:29 PM

Stumped but working on it. Well, I *will* be working on it when I get home from church. If Heath hasn't already nailed it.

 
By Grimmy on March 1, 2009 1:58 PM
Now that added bit makes it all clear.
That is obviously a device used by the graphic arts department in developing the "next-gen" cammie pattern.
 
By Old Fat Sailor on March 1, 2009 6:28 PM
Sill holding the three axis idea, The card looks like its set for a specific charge (M/S) so Im guessing temp. humidity and bore wear corrections.
 
By Fishmugger on March 1, 2009 8:16 PM
I don't know what it is but it would be nice if it was an Obomber meter for dropping a load on congress. Or a seismic intensifier to break the left coast off and send it out to sea. Anyway, I wasn't there the day we covered that in algebra. I was playing drop the pencil.
 
By John of Argghhh! on March 2, 2009 6:27 AM
Fishmugger - this thing was designed for guys like you.  All the fiddly work is done, you just need to understand how it works and where to find your entry arguments.  And by "how it works" I mean moving the dials and rules, not the underlying math.

No algegra, trig, or calculus required.  The eggheads did that already, and that's embodied in the inter-relationships of the various rules and graphs and dial.
 
By Josh on March 2, 2009 8:33 AM
Are you sure you weren't playing "hide the pencil", Fishmugger?

I want to know what the scale/units are on that square in the upper right.