Thames & Kosmos Forensic Fingerprint Lab handleiding

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Handleiding

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Contents

Tracking Down Fingerprints

Step 3

Collecting the Fingerprints

When you have found a nice, clear ﬁngerprint,

you can transfer it from the table to a ﬁngerprint

collection card. Simply stick one of the clear round

stickers onto the blackened print, press once ﬁrmly,

and then carefully pull the sticker away.

Step 4

Design a fingerprint file card

You can design a ﬁngerprint ﬁle card for yourself

and everyone else in your family. Then, you can

compare all the ﬁngerprints and assign them to

certain categories.

The FBI (Federal Bureau of Investigation) uses the so-

called “Henry Classiﬁcation System,” which assigns

ﬁngerprints to eight basic types.

1. Arch 5. Loop

2. Tented Arch 6. Whorl

3. Left Loop 7. Double Loop

4. Right Loop 8. Mixed

You can ﬁnd images of these on the reverse side.

You can use the kit’s ink pad and the ﬁle cards for

this. When you design a ﬁle card, you should always

enter the date along with the name and age of the

person, and of course also indicate whether it is

the right or left hand and whether you notice any

peculiarities.

Step 5

How to take a good fingerprint

First, wash your hands and dry them thoroughly.

Then start with the index ﬁnger of your right hand:

Remove the lid of the ink pad and roll the ﬁngertip

over it.

When making the print on the ﬁle card, ﬁrst set the

left side of the ﬁnger on it and then roll your ﬁnger

toward the right. Do the same with your middle

ﬁnger, ring ﬁnger, and little ﬁnger in turn. You have

now used the rolling method.

Step 6

Finally, it’s the thumb’s turn.

Now you have all the

ﬁngerprints of your right

hand together.

Then stick the sticker onto one

of the ﬁelds on the collection

card. Note the location where you

found it and the time when you

found it.

Important: When you are done, don’t forget to

wash your hands!

Ink Pad

(with Black Ink)

Dusting Powder

36 Transparency Stickers

10 Fingerprint File Cards

10 Fingerprint Collection Cards

Magnifying Glass

Small Bellows

Step 1

Detecting fingerprints

Use the magnifying glass to search for ﬁngerprints

on smooth and shiny surfaces such as tabletops,

glass, and mirrors. Often you will just see a faint

smudge or patterned discoloration. Look carefully!

Once you have spied one, sprinkle a little dusting

powder over it. Be careful not to wipe off any

ﬁngerprints when you do this.

Important: The black powder

can cause stains, so be careful

not to get any on the carpet,

tablecloth, or clothes!

Step 2

Making the fingerprints visible

Use the small bellows to

blow away the extra

powder. The ﬁngerprints

will become visible.

Important: Be sure that

nobody gets the powder

in their eyes or mouth.

Instructions

Warning! — This set contains chemicals

that may be harmful if misused. Read

cautions on individual containers carefully.

Not to be used by children except under

adult supervision.

Only for use by children 8 years of age and

older. Use only under careful supervision

of adults who have familiarized themselves

with the kit’s written safety precautions.

Information for Parents and Adults

Please stand by your child’s side during

these experiments, and be willing to offer

your support and company. Before begin-

ning an experiment, read through the

instructions together and follow them.

Please be sure that none of the kit compo-

nents get into the hands of young children.

Then, nothing will stand in the way of suc-

cessful experimentation.

Bekijk gratis de handleiding van Thames & Kosmos Forensic Fingerprint Lab, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.