Thames & Kosmos Forensic Fingerprint Lab Manual

Thames & Kosmos Ikke kategoriseret Forensic Fingerprint Lab

Læs gratis den danske manual til Thames & Kosmos Forensic Fingerprint Lab (2 sider) i kategorien Ikke kategoriseret. Denne vejledning er vurderet som hjælpsom af 6 personer og har en gennemsnitlig bedømmelse på 4.1 stjerner ud af 3.5 anmeldelser. Har du et spørgsmål om Thames & Kosmos Forensic Fingerprint Lab, eller vil du spørge andre brugere om produktet?

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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.

Tracking Down Fingerprints

The Science Behind Fingerprints

Important!

Step 7

When you have ﬁlled up the card, write the date

along with the name and age of the person. It is

also important to note whether the ﬁngerprints are

from the left or right hand. Then, you can use the

magnifying glass to study special features of the

prints more precisely and note them too.

Step 8

In addition to the rolling method, you can also use

the plain or ﬂat method, which takes prints of the

ﬁngers simply by pressing. Fingerprints can be made

using either method. The rolling method, however,

which is the one you have already used, only shows

the ﬁrst section of the ﬁnger.

Step 10

It can be pretty exciting to use your ﬁngerprint set

in a manhunt game. First take ﬁngerprints from

all the kids who will be playing the game, using

the techniques you learned above. Then search

for ﬁngerprints a mock “crime scene.” They are

easiest to ﬁnd if you shine light onto ﬂat surfaces

from various angles while looking through the

magnifying glass. Now secure the ﬁngerprints as

explained in Steps 1-3. Then you can compare them

against the ﬁle cards. If you get a match, you may

have identiﬁed a “suspect.”

You can record scar lines or marks in the “special

characteristics” ﬁeld. To protect the prints on the

card, cover each one with a transparent sticker. You

can design a ﬁle card for your left hand using the

same method.

Important: Be very careful not to

stain anything with the ink. After

using the ink pad, please wash

your hands!

Step 9

How to compare and identify fingerprints

Now that you have designed your complete

ﬁngerprint ﬁle cards, you can compare them

against the prints that you already collected on the

ﬁndings card, and maybe even determine who they

belong to.

The ﬂat method records as

much of the ﬁnger as possible.

This can be useful to verify

rolling method ﬁngerprints.

All over our bodies, our skin is covered with glands

and pores — including on the ﬁngers. These

glands give off sweat, which covers the surfaces

of the ﬁngers if there is enough of it. If we touch

something with our hands, we leave behind a print

of sweat. It has been determined that each one

of us has a completely unique pattern of ridges

on our ﬁngertips, and that this pattern doesn’t

change over the course of our lives. Even twins have

different ﬁngerprints. For this reason, ﬁngerprints

are often used for the conclusive identiﬁcation

of individuals. For example, the police can arrest

suspects on the basis of ﬁngerprints used as

evidence.

According to the “Henry Classiﬁcation System” used

by the FBI, there are eight different basic ﬁnger-

print types:

These days, a lot of companies use ﬁngerprint scans

to verify the identities of individuals who attempt to

log into computers.

1. When you are ﬁnished, you must be absolutely

sure to replace the lid on the ink pad, so it doesn’t

dry out.

2. Always be careful not to stain anything with the

powder or stamp pad ink.

3. Store your ﬁngerprint set where your younger

brothers or sisters cannot get them.

4. Always ﬁnish by washing your hands thoroughly.

1. Arch

5. Loop 6. Whorl 7. Double Loop 8. Mixed

2. Tented Arch 3. Left Loop 4. Right Loop

Produkt Specifikationer

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Kategori:	Ikke kategoriseret
Model:	Forensic Fingerprint Lab

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