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Microscope Slides Cut from Sheet, Coverslips from a Blown Bubble
A microscope slide is a strip of plain glass about 75 × 25 mm and 1 mm thick with smoothed edges; a coverslip is a much thinner square that presses the specimen flat. Cut the slides from thin sheet and grind the edges; for coverslips, blow a thin bubble on a glass tube and cut flat pieces from it.
The picture: a tray of early 20th-century prepared slides under coverslips, museum of the Institut Pasteur de Lille.
Àárín
An afternoon
Ìlànà
1
1
Cut the slides
Cut the slides
Mark thin glass sheet in 25 mm strips, score and snap them, then score and snap each strip at 75 mm.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Àwo dígí1 ẹyọÀwọn irinṣẹ́ tí a nílò:
Ohun ìgé dígí
Ìdíwọ̀n
Gíláàsì ààbò2
2
Grind the edges
Grind the edges
Rub every edge and corner on a flat glass plate with wet fine grit until smooth to the touch. Wash and dry.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Omi1 lítàÀwọn irinṣẹ́ tí a nílò:
Òṣùwọ̀n Kálípà Díjítà Ìnṣì 6
Ọkà kaboidi silikoni3
3
Blow a thin bubble
Blow a thin bubble
Close the end of a glass tube in the torch, heat it evenly and blow a large, very thin bubble, turning it as you blow (our method).
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Àkójọpọ̀ Páìpù Gíláàsì1 ẹyọÀwọn irinṣẹ́ tí a nílò:
Ọ̀gọ̀ ìfẹ́ dígí orí tábìlìGíláàsì ààbò
Ìbọ̀wọ́ Tí Ń Fara Da Ooru4
4
Cut coverslips
Cut coverslips
When cold, break the bubble and pick the flattest pieces from its sides. Trim them to small squares with the cutter and check the thickness with the caliper; keep only even, thin pieces.
Àwọn irinṣẹ́ tí a nílò:
Ohun ìgé dígíÒṣùwọ̀n Kálípà Díjítà Ìnṣì 6Gíláàsì ààbò5
5
Store clean
Store clean
Wash slides and coverslips and keep them apart in a closed jar so they stay free of dust and grease.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Omi1 lítàÀwọn irinṣẹ́ tí a nílò:
Ìgò Gílásì6
6
Slides from a sheet
Slides from a sheet
Ń ṣí ìwé Jupyter…
7
7
Limits
Limits
Slide size and edge finish are as Wikipedia gives them; the blown-bubble coverslips are our method. Blown coverslips vary in thickness: measure them, since the wrong thickness blurs high-power images.
Àwọn irinṣẹ́ tó nílò
8- Àyè
- Àyè
- Àyè
Ìtọ́nisọ́nà yìí ń ṣe
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