Chapter 9

Question 1

This used to determine the similarities and dissimilarities of evidence and test evidence.

Answer 1

Bullet Comparison Microscope

Question 2

1st to own Bullet Comparison Microscope in 1925. He is also the Father of Modern Ballistics.

Answer 2

Col. Calvin H. Goddard, MD

Question 3

half of evidence & test bullet is projected:

Answer 3

Intermarriage

Question 4

Clock positions

Answer 4

At the same time

Question 5

– Left or right

Answer 5

At the same direction

Question 6

– the same size when viewed (small vs small; bigger vs bigger)

Answer 6

At the same magnification

Question 7

landmarks vs. landmarks

Answer 7

At the same image

Question 8

refers to height or elevation of stage plate.

Answer 8

At the same level or plane

Question 9

the critical side by side examination of evidence and test bullet/shell.

Answer 9

Juxtaposition –

Question 10

means putting two things together to emphasize their contrast between them.

Answer 10

Juxtapose

Question 11

Used in preliminary examinations of fired bullets, shells.
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Answer 11

Stereoscopic Microscope

Question 12

Used also in close-up examination of tampered serial nos. of FAs.
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Answer 12

Stereoscopic Microscope

Question 13

Here the location of extractor marks and ejector marks.

Answer 13

Stereoscopic Microscope

Question 14

– invented the first Stereoscopic-Style Microscope with two eyepieces in 1671.

Answer 14

Cherubin d’Oreans (1671)

Question 15

introduced a “novel” design that led him to become the Forefather of of Modern Stereoscope.

Answer 15

b. Honorato S. Greenough (1890) –

Question 16

– designed the first successful stereomicroscope. This was introduced in US and was named Cycloptic in 1957.

Answer 16

c. Francis Herbert Wenham (19th) of London

Question 17

Similar with the Comparison Microscope. BUT this equipment is capable of comparing two fired bullets and shells with a large screen.

Answer 17

Comparison Projector 6 (CP-6)

Question 18

Inventor of CP-6

Answer 18

William Howard Livens

Question 19

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 19

Bullet Recovery Box

Question 20

Used in determining the width of lands, width of grooves, diameter and twist of fired bullet.

Answer 20

Measuring Projector 6 (MP-6)
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Question 21

Generally, used to know the caliber of FA, bullet and shell.

Answer 21

Caliper
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Question 22

– similar in use with Caliper.

Answer 22

Micrometer (C-clamp like)

Question 23

was derived from Greek words Micros (small) and Metron (to measure)

Answer 23

Micrometer

Question 24

This instrument then is used to measure small things and small distances.

Answer 24

Micrometer (C-clamp like)

Question 25

This is an enhancement of the Vernier Caliper.

Answer 25

Micrometer (C-clamp like)

Question 26

– first ever inventor of Micrometer

Answer 26

William Gascoine (17th)

Question 27

inventor of Palmer, which is used in measuring handheld objects. It was introduced in Spain and was called Tornillo de Palmer.

Answer 27

Jean Laurent Palmer (1848-France) –

Question 28

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

Answer 28

Analytical or Torsion Balance ​

Question 29

Measurements are expressed in ___ or ___.

Answer 29

Grains or grams

Question 30

used to determine the bore diameter of FA or Caliber.

Answer 30

Taper Gauge ​

Question 31

This is a small instrument used in the examination of the interior surface of barrel.

Answer 31

Onoscope ​

Question 32

It has tiny lamp at its end and is being inserted in the barrel to detect irregularities and imperfections, roughness and scratches.

Answer 32

Onoscope

Question 33

This measures Pitch of Rifling, which refers to a complete turn (360°) of a bullet inside the barrel.

Answer 33

Helixometer

Question 34

It also measures the angle of twist of rifling, either pistol or revolver barrel. ​

Answer 34

Helixometer

Question 35

Procedure: This instrument is used by inserting the telescope and aligning it with the axis of the bore.

Answer 35

Helixometer

Question 36

This measures the speed the bullet or muzzle velocity of the bullet.

Answer 36

Chronograph ​

Question 37

Inventor of Chronograph

Answer 37

Alfred Lee Loomis (1918) –

Question 38

Was sctually invented prior chronograph but was not much reliable/accurate.

Answer 38

Boulenge Chronograph

Question 39

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 39

Electric Gun Marker –

Question 40

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

Answer 40

Shadowgraph –

Question 41

This instrument contains a large circular ground glass that is about 14 in where the observation and comparison of the characteristics is done.

Answer 41

Shadowgraph

Question 42

This can also take photomicrographs.

Answer 42

Shadowgraph

Question 43

a pointed instrument used to mark: 1. fired bullets 2. fired shells 3. Firearms 4. Metallic fragments

Answer 43

Stylus –

Question 44

This must be solid and harder metal than the evidence to be marked.

Answer 44

Stylus

Question 45

This is used in manually engraving the initials and date.

Answer 45

Stylus

Question 46

Lmao idk nothing written here

Answer 46

Integrated Ballistics Identification System

Question 47

– a mechanical trigger pull trigger tester

Answer 47

Trigger pull gauge

Question 48

used to handle bullets

Answer 48

16. Tweezers –

Question 49

an 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 49

Borescope –

Question 50

– used to calculate the drag coefficient of the bullet. This is capable of determining the supersonic speed of bullet.

Answer 50

18. Wind funnel

Question 51

used to photograph projectile in flight. This enables to determine the speed, position of bullet and shock waves the projectile produces. Invented by an American Engineer Horod Eugene Edgerton

Answer 51

19. Stroboscope

Question 52

used primarily in the laboratory in marking metal evidence.

Answer 52

20. Electric Gun Marker –

Question 53

used to drill deep accurate holes.

Answer 53

21. Gun drills/ Deep hole drills –