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Subject: 
Re: The History of LEGO Plates - Part 1.
Newsgroups: 
lugnet.general
Date: 
Sun, 8 Aug 1999 08:03:40 GMT
Viewed: 
7482 times
  
Don't forget that another valuable source of data on this is box images
and
instruction "pictures" that show actual pieces.

Virtually every clear brick I have from the 70's is yellowed to some
extent,
except for the bricks in my 404, which are suspiciously clear. (even
though
the set was sealed when I got it).

However, all of the images from boxes/instructions seem to show crystal
clear
if not bluish pieces.

KL

Gary Istok wrote:

Simon Robinson wrote:

In lugnet.general, Gary R. Istok writes:

<snip>

Clear - Only the regular clear bricks were produced.  The CA clear bricks
have a
yellow hue to them (probably yellowed over the years).  Warping is common.
The ABS
clear bricks have a more blue hue to them (not to be confused with any of the
colored
clear bricks, which came long after CA bricks ceased production).  But anyone
who has
the LEAR JET set will confirm that the 1x2 clear plates (ABS) in this set
also have a
"champagne" like hue.  So I would venture to guess that the blue hue of clear
bricks
today happened sometimes in the late 1970's or early 1980's, and ABS clear
bricks can
have either a champagne or a blue hue to them..

There are definitely two different shades of clear ABS brick that have been
circulating over the last few years. For example, I'm currently looking at
my 9365 Dacta Community Vehicles set and the two shades of brick are visible
next to each other in the polybags.
To take two examples from the Community Vehicles set:

Sets such as 6680 ambulance have what I'd regard as completely transparant
bricks - I don't know if
these are the ones you'd describe as having a champagne hue, personally
I can't really see any hue.

6594 Gas Transit has a transparent windscreen but it has a definite blue
hue. I'd still regard it as not coloured - it's nothing like the really
blue-ish transparent bricks, such as occur in the Exploriens sets.

Simon
http://www.SimonRobinson.com

Simon, Yes there is no Champagne hue on the newer ones.  Maybe in a few years
they'll turn that color.

But one thing I did notice is that the clear 1x2 plates from the 1960's
Architectural parts packs are indistinguishable from those of the Lear Jet
(1970's).  That means that both are ABS, or they had a lot of CA plates left over
from the 1960's and they're both CA.  I tend to think that maybe the first is
true.

But clear bricks warrant a lot more study before I can make a generalization like
that.  I think I'll make clear bricks/plates/slopes  a separate discussion
altogether.  I think I have about 10,000 , so it'll be interesting to see what
variations I can come up with.  Stay tuned.

Trivia question - what LEGO set had the most (no color) clear bricks ever?

Gary Istok



Message is in Reply To:
  Re: The History of LEGO Plates - Part 1.
 
(...) they'll turn that color. But one thing I did notice is that the clear 1x2 plates from the 1960's Architectural parts packs are indistinguishable from those of the Lear Jet (1970's). That means that both are ABS, or they had a lot of CA plates (...) (25 years ago, 5-Aug-99, to lugnet.general)

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