tag:blogger.com,1999:blog-67946090305164933672011-08-01T12:56:13.007-07:00Rob H.noreply@blogger.comBlogger11100tag:blogger.com,1999:blog-6794609030516493367.post-27174105689037477782008-05-16T08:33:00.000-07:002011-01-12T12:40:38.459-08:001301. A miner's safety lamp with a protecting shield, patent number <a href="http://www.google.com/patents?id=x1pTAAAAEBAJ&dq=509418">509,418</a>, from the patent:<br /><blockquote>The object of the protecting shield is to enable the lamp to be used in the most violent current or <a href="http://en.wikipedia.org/wiki/Firedamp">fire damp</a> without there being the least risk of the gauze getting so heated as to ignite any fire damp which may come in contact with same.</blockquote><br /><img src="http://img.photobucket.com/albums/v80/harnett65/Album%208/pic1301.jpg"><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />1302. <a href="http://en.wikipedia.org/wiki/Belaying_pin">Belaying pins</a>, used to secure lines on sailing vessels, they could also be used as weapons when necessary:<br /><img src="http://img.photobucket.com/albums/v80/harnett65/Album%208/pic1302s.jpg"><br /><a href="http://img.photobucket.com/albums/v80/harnett65/Album%208/pic1302a.jpg">Larger image</a><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />1303. A <a href="http://www.saskschools.ca/curr_content/paasurveyb/constrmod/cons15c/stripping.html">shingle removing shovel</a>: <br /><img src="http://img.photobucket.com/albums/v80/harnett65/Album%208/pic1303.jpg"><br /><br /><br /><img src="http://img.photobucket.com/albums/v80/harnett65/Album%208/pic1303a.jpg"><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />1304. A crystal radio:<br /><img src="http://img.photobucket.com/albums/v80/harnett65/Album%208/pic1304bs.jpg"><br /><a href="http://img.photobucket.com/albums/v80/harnett65/Album%208/pic1304c.jpg">Larger image<br /></a><br /><br />A <a href="http://www.peeblesoriginals.com/vintage/crystal-radio-sets.html">Philmore crystal radio</a>:<br /><img src="http://img.photobucket.com/albums/v80/harnett65/Album%208/pic1304ds.jpg"><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />1305. I haven't been able to verify any of these guesses for this device:<br />-Diffraction grating<br />-Monochrometer from a spectrometer<br />-Prism used in a UV-visible spectrophotometer<br />-Used on an optical table for laser or light work<br /><img src="http://img.photobucket.com/albums/v80/harnett65/Album%208/pic1305cs.jpg"><br /><br /><br />A view of the back:<br /><img src="http://img.photobucket.com/albums/v80/harnett65/Album%208/pic1305eas.jpg"><br /><br /><br /><img src="http://img.photobucket.com/albums/v80/harnett65/Album%208/pic1305fa.jpg"><br /><br /><br /><img src="http://img.photobucket.com/albums/v80/harnett65/Album%208/pic1305ga.jpg"><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />1306. A roller type cement jointer, also called a sidewalk groover, sidewalk creaser, or center knife; it's used to smooth the joint between two concrete surfaces. <br /><img src="http://img.photobucket.com/albums/v80/harnett65/Album%208/pic1306as.jpg"><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />To submit photos, click on the profile link at the upper right to find my email address.<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />Last week's set is seen below, <a href="http://puzzlephotos.blogspot.com/2008/05/set-231.html">click here</a> to view the entire post:<br /><img src="http://img.photobucket.com/albums/v80/harnett65/Album%208/set231.jpg"><br /><br /><br /><br /><br /><br /><br /><a href="http://blackopsprotips.blogspot.com/">Black Ops Pro Tips</a><br />More discussion and comments on these photos can be found at the newsgroup <a href="http://groups.google.com/group/rec.puzzles?hl=en">rec.puzzles</a>.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6794609030516493367-2717410568903747778?l=pzphotosans231-xr.blogspot.com' alt='' /></div>Rob H.noreply@blogger.com0