CRIME LABORATORY EQUIPMENT

Question 1

determine SIMILARITIES and DISSIMILARITIES of evidence and test evidence

Answer 1

Bullet Comparison Microscope

Question 2

Two positions in comparing evidence and test bullet

Answer 2

Intermarriage
Juxtaposition

Question 3

Half evidence and test bullet is projected

Answer 3

Intermarriage

Question 4

At the same time?
At the same direction?
At the same magnification?
At the same image?
At the same level or plane

Answer 4

clock positions
left or right
same size when viewed
landmarks vs landmarks
refers to the height or elevation of stage plate

Question 5

the critical SIDE by SIDE EXAMINATION of evidence and test bullet/shell.

Answer 5

Juxtaposition

Question 6

Putting two things TOGETHER to emphasize their contrast between them.

Answer 6

Juxtapose

Question 7

used in the PRELIMINARY EXAMINATION of fired bullets, and shells.

Answer 7

Stereoscopic microscope

Question 8

CLOSE-UP EXAMINATION of tampered serial nos. of FAS

Answer 8

Stereoscopic microscope

Question 9

here the LOCATION OF EXTRACTOR MARKS AND EJECTOR MARKS

Answer 9

Stereoscopic microscope

Question 10

__________invented the FIRST Stereoscopic-style microscope with TWO EYEPIECES in_____

Answer 10

Cherubin d’ Oreans
1671

Question 11

_______ introduce a “NOVEL” design that led him to become the FOREFATHER OF MODERN Stereoscope.

Answer 11

Honorato S. Greenough 1890

Question 12

__________designed the FIRST SUCCESSFUL STEREOMICROSCOPE.
Introduced in US and was named ________ in _________.?

Answer 12

Francis Herbert Wenham (19th) of London
CYCLOPTIC
1957

Question 13

Similar with the comparison microscope

Answer 13

Comparison projector 6 (CP-6)

Question 14

Capable of comparing TWO FIRED BULLETS and SHELLS with a LARGE SCREEN.

Answer 14

Comparison projector 6 (CP-6)

Question 15

_________ engineer and British army and inventor of Comparison projector 6 (CP-6)

Answer 15

William Howard Livens

Question 16

used in TEST FIRING to acquire test shells and bullets for comparison.
The same caliber or brand of ammunition should be used and manufactured in the same year.

Answer 16

Bullet recovery box

Question 17

Original Design (Square)
1. Length = 8ft or 96 in
2. 1ft or 12 x12 in on each side
3. ¼ inc thick = side
4. 1/8 in thick = tip

Modern Design (Tube)
A. Length = 92 inches
B. Diameter of body = 18 inches
C. Thickness of iron used = 1/8 inch
D. Frontal ring = 20 inches

Question 18

Used in determining the WIDTH OF LANDS, the WIDTH OF GROOVES, and the diameter, and TWIST of a fired bullet.

Answer 18

Measuring Projector 6 (MP-6)

Question 19

used to know the CALIBER of FA, bullet, and shell.

Answer 19

Caliper

Question 20

Caliper is used to determine the: BRSBSB

Aside from use of determining the Caliber of FA, bullet, shell and ammo.

Answer 20

1. Bullet diameter
2. Rim diameter
3. Shell mouth diameter
4. Bore diameter
5. Shell length
6. Bore length

Question 21

similar in use with Caliper.

Answer 21

Micrometer (C-clamp like)

Question 22

used to measure SMALL things and
small distances. This is an ENHANCEMENT of the Vernier Caliper.

Answer 22

Micrometer (C-clamp like)

Question 23

______ inventor of Micrometer (C-clamp like)

Answer 23

William Gascoine (17th)

Question 24

_________inventor of PALMER, which is used in measuring HANDHELD OBJECTS. It was introduced in Spain and was called Tornillo de Palmer.

Answer 24

Jean Laurent Palmer (1848-France)

Question 25

Determines the WEIGHT of fired bullet, shots/pellets to know its caliber, type and make of FA used.

Answer 25

Analytical or Torsion balance

Question 26

Measurements are expressed in GRAINS OR GRAMS

Answer 26

Analytical or Torsion balance

Question 27

used to determine the BORE diameter of FA or Caliber.

Answer 27

Taper Gauge

Question 28

used in determining the right measurement for wedding, graduation and personalized rings.

Answer 28

Ring measurer

Question 29

a SMALL instrument used in the examination of the INFERIOR SURFACE OF BARREL. It has tiny lamp at its end and is being inserted in the barrel TO DETECT IRREGULARITIES AND IMPERFECTIONS, ROUGHNESS AND SCRATCHES.

Answer 29

Onoscope

Question 30

measures PITCH OF RIFLING, which refers to a complete turn (360°) of a bullet inside the barrel. measures the angle of TWIST of rifling, either pistol or revolver barrel. Procedure: This instrument is used by inserting the telescope and aligning it with the axis of the bore.

Answer 30

Helixometer

Question 31

measures the SPEED of the bullet or muzzle velocity of the bullet.

Answer 31

Chronograph

Question 32

_______ inventor of CHRONOGRAPH?

Answer 32

Alfred Lee Loomis (1918)

Question 33

not much was not reliable/accurate

Answer 33

Boulenge Chronograph

Question 34

used in MARKING fired bullets, shells and FAs submitted for examination. This is being plug to a female outlet. Used only when there is power supply.

Answer 34

Electric gun marker

Question 35

used in ORIENTATION/PRELIMINARY examination of fired bullets and shells with the use of series of microscopic lenses of different magnifications.

Answer 35

Shadowgraph

Question 36

contains a LARGE CIRCULAR GROUND GLASS that is about 14 in where the observation and comparison of the characteristics is done. This can also take PHOTOMICROGRAPHS.

Answer 36

Shadowgraph

Question 37

a pointed instrument used to mark: 1. fired bullets 2. fired shells 3. Firearms 4. Metallic fragments This must be solid and harder metal than the evidence to be marked. This is used in manually engraving the initials and date.

Answer 37

Stylus

Question 38

Integrated Ballistics Identification System

Question 39

a MECHANICAL TRIGGER pull trigger tester

Answer 39

Trigger pull gauge

Question 39

used to handle bullets

Answer 39

Tweezers

Question 40

OPTICAL DEVICE consisting of a rigid flexible tube with an eyepiece on one end, an objective lens on the other linked together by a relay optical system in between.

Answer 40

Borescope

Question 41

calculate the drag coefficient of the bullet. determining the Supersonic speed of bullet.

Answer 41

Wind funnel

Question 42

used to photograph projectile in flight.

Answer 42

Stroboscope

Question 43

ENABLES to determine the speed, position of bullet and shock waves the projectile produces.

Answer 43

Stroboscope

Question 44

______ inventor of Stroboscope an AMERICAN ENGINEER

Answer 44

Horod Eugene Edgerton

Question 45

used primarily in the laboratory in MARKING METAL EVIDENCE.

Answer 45

Electric gun marker

Question 46

used to drill deep accurate holes.

Answer 46

Gun drills/ Deep hole drills.