Meade 900X Instrukcja Obsługi Pobierz pdf (Strona 14)

the waste cup. Using the eyedropper, touch the

slide just above the specimen area and slowly let

the water drain into the cup.

With a paper towel, pat the underside of slide

dry. Be very careful and try not to touch the

specimen. Allow the specimen to air dry for sev-

eral minutes.

Some of the specimen will be flushed away, but

enough will remain on the slide to make good

observations. To save your slides, follow the pro-

cedure described previously.

The Micro-Slicer

Insert specimens you wish to study into the holes

of the micro-slicer (O, Fig. 1). Rotate the knob to

cut your specimen into thin slices. The Micro-

slicer is an ideal tool in the making of section

slides.

A Simple Section Slide

Section slides are extremely thin slices of tissues

of skin, leaves, flower stems, and other materi-

als. Generally, section slides are very difficult to

make without special equipment and proce-

dures. However, there is one common house-

hold item which can be sectioned without special

equipment: the common onion, made up of lay-

ers of tissue.

Peel off the very thinnest layer you can. One that

is nearly transparent will make an ideal section.

Slice into a piece about 1/4 x 1/4 inch.

Put two drops of eosin (

F, Fig. 1) in a bottle cap.

Pick up the piece of onion with your tweezers (A,

Fig. 1) and place it in the bottle cap.

Wait for a minute or two. Using the tweezers,

remove the piece from the stain. Hold it over the

waste cup and flush it with clean water from your

eyedropper. Place it on a clean slide. To save

your slide, follow the procedure described previ-

ously.

Life Under Glass

Fill a wide mouth jar with fresh water. Let it stand

for three or four days without the lid. Then drop

CAUTION: The

blade of the micro-

slicer is very

sharp. Handle the

micro-slicer with

care.

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