These are Darwin's recommendations for the ideal shipboard microscope in an 1849 Royal Navy manual John F.W. Herschel ed., A Manual of scientific enquiry;...
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Jan 1, 2009 10:37 am
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Microscope group. File : /Famous...
I have uploaded several files to our site, regarding Darwin's microscopes In FILES, there is now a Famous Scientists Microscopes folder In PHOTOS, there is now...
Don, I know that you have some not insignificant experience in this stuff. Can you (or any other expert on the forum) tell me why my photo polarizer (its a...
... impart a red ... wave retarder film ... plate: it wasn't red! So be ... ("Scotch") tape also can ... together. The number of ... might need to go through...
Well, after an 800 mile (1,300 Km) round trip, I am in possession of a Reichert Zetopan microscope (along with two other units). I am trying to figure out...
Hi John Your scope has phase contrast objectives, but no phase contrast condenser to make them useful for that function. It also has the DIC condenser, but no...
Hello Frez, Thank you for the response. I am soo confused. The condenser has a part # "Nr. 56 214" and 1K written on it. I wonder if I should sell the...
Hi John The Zeiss Jena microscope you have looks like it has a phase contrast condenser, so I assume the objectives are phase (marked Pv in red on Jena scopes...
... This is understandable. :) ... That is actually IK. (Kontrast with a K in Austrian) ... Because of your limited knowledge with scopes, it will be difficult...
John Let's see if we can further your understanding a bit. How a microscope system illuminates a specimen is one of its most important design criteria. Early...
I've just been using water prepared for my aquarium. It's dechlorinated and has air bubbled through it, which in our particular case lowers teh extreme ph....
This is my first post, so I don't know if this subject has come up before. ( I've searched, but not found anything) I like to view aquatic life, rotifers etc....
I'm looking for anything I can find on micro dissection tools for lepidoptera genitalia dissection. Where can I get them? Can I make them myself, and how do I...
I think that it is possible to glue a coverslip on to a SLR camera focusing screen so that one can make focusing easier as the glue/mountant fills the ground...
Hi desmid2, The ground "glass" screens on most 35mm SLR's are actually a very soft plastic. It's very easy to damage them - even a cotton bud or tissue will...
You must avoid demineralisedwater. Water has such a powerful action in attracting minerals that it will pull the minerals out of the amoeba's bodies and kill...
Hi Ian, Arthur (Roseoptics) noted a great firm at: www.bioindustrialproducts.com, in this forum last week about. Great prices on micro-scissors, and...
Hi Chris, Thank you for your in depth answer. The camera that I'm using is a Canon 5D and they do have replaceable focusing screens but do not have a plain or...
Thanks very much! That is an extremely uselful link. Yes, I do squeeze out the male genital capsule and can do that very well with jeweler's forceps and pins;...
Hi Frez & John, I found a DIC slider for Zetopan about 5 years ago. As Freze said it was hard to find and expensive. If your serious about microscopy you have...
Hi Mike Are you aware that there's quite a few asian companies making screens that will fit the 5D as well as many other brands? More on this in a minute... ...
Hi Tony, I too like to view the living microworld. I quickly discovered the problem
of depth of field that you mention. I solved the problem by building my own...
Hello Frez, The dreaded, inevitable question - how do I go about pricing the scope or the parts? I have a fair amount of experience with old cameras so I have...
What about distilled water, Stephen? Yours, Dora Smith Austin, TX tiggernut24@... ... From: stephen d yahn To: Microscope@yahoogroups.com Sent: Thursday,...
Hi all, The phase condenser I have in my Dialux II is type 405e, not the 402a. According to the Leitz document "Image-forming and illuminiating systems of the...
distilled water is not harmful to humans. The body has excess sodium salts and they are eliminated and regulated by the kidney. Most animals get their salts...
