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Date: | Sat, 29 Oct 2005 07:59:24 -0500 |
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Sean - what "50 year old threshold"?
----- Original Message -----
From: "Sean Dunham" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, October 28, 2005 11:04 AM
Subject: Re: crown caps
>I thought this one had been tossed around before and there was a
> discussion on this topic in March of 2002 according to the HISTARCH
> archives.
>
> Plastic liners were introduced in 1955 and gradually replaced cork
> liners (Lief 1965:40). Another temporal nugget - a crown cap with a
> shorter "skirt" was introduced in 1956 (Riley 1958:272). These two
> innovations make a nice cut-off for the 50 year old threshold. If only
> I was looking at older assemblages more often ...
>
> Lief, Alfred
> 1965 "A Close-Up of Closures: History and Progress." Glass
> Containers Manufacturers Institute, New York.
>
> Riley, John L.
> 1958 "A History of the American Soft Drink Industry - 1807-1957."
> American Bottlers of Carbonated Beverages, Washington, DC.
>
> Cheers,
>
> Sean Dunham
>
>
>
> Sean B. Dunham, RPA
> Commonwealth Cultural Resources Group, Inc.
> Phone: 517-788-3550 / FAX: 517-788-6594
> e-mail: [log in to unmask]
> http://www.ccrginc.com
>
>
>>>> [log in to unmask] 10/28/05 02:50AM >>>
> With regard to crown bottle caps, I have wondered if there was a
> technological evolution of the liners? Although most have had cork
> liners during my
> lifetime, plastic liners began popping up recently and no doubt changes
> will
> continue in the future. This makes me wonder if they always had cork
> liners. Does
> anyone know?
>
> Ron May
> Legacy 106, Inc.
>
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