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<p>[QUOTE="Shangas, post: 340693, member: 360"]Hey dude. </p><p><br /></p><p>Repairing that broken piece in the photo is going to be next to impossible. Unless you can find an identical pair with matching parts, I'm honestly not sure what you're going to do with it. I'd say that it's probably bakelite, celluloid or possibly ebonite (hard-rubber), although by the 1920s and 30s, ebonite was becoming rather old-fashioned. </p><p><br /></p><p>Also, ebonite turns brown as it gets older. I see no evidence of that. Whereas, black celluloid will generally remain black forever (unless it's damaged by sunlight or something). </p><p><br /></p><p>It certainly looks to be of 20th century construction. I'd say 1930s or 1950s. </p><p><br /></p><p>A lot of the opera glasses I collect are MUCH older than this but what I generally do is pull them apart, clean the threads, blow out the dust, clean the lenses, put them back together, and put a drop of oil on the major moving parts and that's about it.[/QUOTE]</p><p><br /></p>
[QUOTE="Shangas, post: 340693, member: 360"]Hey dude. Repairing that broken piece in the photo is going to be next to impossible. Unless you can find an identical pair with matching parts, I'm honestly not sure what you're going to do with it. I'd say that it's probably bakelite, celluloid or possibly ebonite (hard-rubber), although by the 1920s and 30s, ebonite was becoming rather old-fashioned. Also, ebonite turns brown as it gets older. I see no evidence of that. Whereas, black celluloid will generally remain black forever (unless it's damaged by sunlight or something). It certainly looks to be of 20th century construction. I'd say 1930s or 1950s. A lot of the opera glasses I collect are MUCH older than this but what I generally do is pull them apart, clean the threads, blow out the dust, clean the lenses, put them back together, and put a drop of oil on the major moving parts and that's about it.[/QUOTE]
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