Search found 9 matches

by DWSmith
Wed Dec 28, 2022 5:01 pm
Forum: Specimens, samples and slides
Topic: Floatation Fluid for Fecal Examination
Replies: 7
Views: 2625

Re: Floatation Fluid for Fecal Examination

What should the specific gravity of the floatant be for fecal examinations? Is the 1.25 to 3.00 correct?
by DWSmith
Tue Dec 20, 2022 8:04 pm
Forum: Digital processing
Topic: Vibrant DIC videos
Replies: 19
Views: 9490

Re: Vibrant DIC videos

What I learned from graduate school is, always assume I don’t “know enough”; if I have to put forward a HYPOTHESIS, be ready to accept that it is wrong. Geez! What I learned in life was much more important than what I learned in grad school. Lighten up. Have fun. Live and let live. No question is a...
by DWSmith
Tue Dec 06, 2022 3:00 pm
Forum: Home-made microscope adaptations
Topic: Making a drawing tube using a Wild beamsplitter?
Replies: 3
Views: 2133

Re: Making a drawing tube using a Wild beamsplitter?

I can't answer your question but I'm very interested in your effort for making a drawing tube. Line drawings are much more informative than photographs in some respects. It's a shame the techniques and equipment aren't more popular and better documented. Good luck in your endeavor and keep us posted...
by DWSmith
Mon Dec 05, 2022 4:20 pm
Forum: Specimens, samples and slides
Topic: Pond sample question
Replies: 12
Views: 4187

Re: Pond sample question

Werner Nachtigall in his book Exploring with the Microscope covers his use of micro-aquariums (page 117 in my copy). He uses very simple setups; small jars, no pumps nor filters. He keeps several of them. I went overboard and used about a gallon sized terrarium jar and lid. I put in some marbles, a ...
by DWSmith
Mon Dec 05, 2022 10:23 am
Forum: Collecting microscopes and slides
Topic: I would like some prepared slides.
Replies: 10
Views: 3499

Re: I would like some prepared slides.

Thanks for the great replies!

Daniel
by DWSmith
Sun Dec 04, 2022 7:51 pm
Forum: Collecting microscopes and slides
Topic: I would like some prepared slides.
Replies: 10
Views: 3499

I would like some prepared slides.

I'm just getting started and would like to buy some prepared slides. Can you suggest a source? I'm not looking for anything particularly exotic or expensive. Just some slides to get practice with my microscopes, i.e., beginner to intermediate set(s).

Thanks,
Daniel
by DWSmith
Thu Dec 01, 2022 5:04 pm
Forum: Illumination Techniques
Topic: Home made Rheinburg filters
Replies: 8
Views: 2727

Re: Home made Rheinburg filters

For future reference: https://www.esslinger.com/watch-crystal-flat-round-standard-mineral-glass-crystal-1mm-thick/ And this may be helpful to some: https://www.amazon.com/Colored-Overlays-Transparency-Correction-Assorted/dp/B074Z58CH4/ref=sr_1_5?keywords=photo+gel+sheets&qid=1669914399&sprefix=%2Cap...
by DWSmith
Tue Nov 08, 2022 11:14 am
Forum: Home-made microscope adaptations
Topic: Looking for a NICE dust cover
Replies: 17
Views: 4749

Re: Looking for a NICE dust cover

I use old pillow cases. Perfectly functional for keeping off dust. Much more durable than the thin plastic covers.
by DWSmith
Mon Nov 07, 2022 11:18 am
Forum: Introduce yourself
Topic: Greetings! Nice to be here.
Replies: 1
Views: 854

Greetings! Nice to be here.

I hope to learn more here.