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<p>[QUOTE=&quot;cladking, post: 26725284, member: 68&quot;]Wiki says;&nbsp;&nbsp; <i>In this manner, at the end of the 19th century, the product range included <a href="https://en.wikipedia.org/wiki/Eyeglasses" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.wikipedia.org/wiki/Eyeglasses" rel="nofollow">eyeglasses</a>, microscopes and binoculars, as well as <a href="https://en.wikipedia.org/wiki/Movie_projector" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.wikipedia.org/wiki/Movie_projector" rel="nofollow">projectors</a>, <a href="https://en.wikipedia.org/wiki/Camera_lens" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.wikipedia.org/wiki/Camera_lens" rel="nofollow">camera lenses</a> and <a href="https://en.wikipedia.org/wiki/Diaphragm_(optics)" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.wikipedia.org/wiki/Diaphragm_(optics)" rel="nofollow">camera diaphragms</a>.</i></p><p><i><br /></i></p><p>I&#039;m pretty sure they made my old spectroscope as well (at least the lenses).</p><p><br /></p><p>I&#039;ve always suspected these were provided to encourage school boards to buy their products&nbsp; and most were used for science fairs or rewards for scholarship.[/QUOTE]</p><p><br /></p>

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