It would be interesting and useful to measure the characteristics of that lovely instrument. If you can kindly do some stage-micrometer tests, it should be easy to determine which explanation is the more likely. The other numerical markings may represent focal length in millimetres, or they may be arbitrary references, along the lines of Small/Medium/Large. Note that the Oel objective canister is marked 1/12, which I take to mean one twelfth of an inch. Clearly, in this arrangement, focal length is much more meaningful than some nominal magnification. Īs one of your images shows this microscope is from an era when tube-length was an 'adjustment' rather than being considered sacrosanct. I may have a reaonable explanation to offer for that, Charlie. Charlie guevaraĭSCN2920.JPG (69.29 KiB) Viewed 5412 times DSCN2911.JPG (180.08 KiB) Viewed 5571 timesĬharlie g wrote:How interesting that the useful spec of optics magnification was not engraved on the optics.yet intricate company logo etched on all the optics. The botch-repair I did of the wooden case was to pack this stand with it's err.siblings for our relocation up here years ago.I have not opened and greeted this stand since I packed it years ago. I asked the 'country store' owner where this scope came from? This owner of: "Grandmas Country Store" simply said: " I have no idea.my wife buys things from all around.".Īny guesses on the manufacture year of this stand will be greatly appreciated. One day I will take this stand out for the proper attention it deserves. I love the brass I love the black enamel base.the effect to my whimsy is that these objectives are 'sporting spats'! Using the concave stand mirror with the desk lamp.the diatom images are quite sweet. Using a mounted diatom slide prepared for me by Walter Franchini.the #'s 3,4, and 6 objectives seem like : 10X, 20 X, 40X.I did not calibrate this estimate. The objectives are brass with dull (lost their shine over time?) silver end assemblies. Their are a pair of oculars marked:"6X", and a pair marked:" 4 B ", E.Leitz Wetzlar is etched on all oculars, all objectives. All with their original black metal screw cap 'pots'. Na 1.3 objective, then three objectives marked: "6", "4", "3". No markings on it's condenser, the iris and filter tray work smooth for this condenser, A wooder rack holds: Object marker, 1/12 oil-immer. It has both a monoc head, and binoc head, both with same serial number.the binoc head 'breaks your neck' if you don't tilt the stands axis. Of course it's wooden case was bashed horribly in shipment.sigh. I used a professional microscope dealer/service company in Hicksville,L.I, NY to clean it's already good optics and mechanism. One year in the fall.there it was in it's original box with no pamphlet.surrounded by Fall season, Halloween decorative gifts. I used to stop at this NY/NJ highlands border area store for plants, pasteries, coffee.right on Rt 17.
0 kommentar(er)
