LAB EQUIPMENTS Flashcards
(100 cards)
1
Q
- This used to determine the similarities and dissimilarities of evidence and test evidence.
A
BULLET COMPARISON MICROSCOPE
2
Q
–the user of BCM can observe and compare the microscopic markings or chamber markings like firing pin impressions, breech face marks, shearing marks
A
BULLET COMPARISON MICROSCOPE
2
Q
–to compare bullets, cartridges cases side by side, helping forensic experts whether the two bullets were fired from the same firearms
A
BULLET COMPARISON MICROSCOPE
3
Q
is connected in the two compounds in which the user of this, can look simultaneously the two different samples in a split view
A
BULLET COMPARISON MICROSCOPE
4
Q
- 1st to own bullet Comparison Microscope in 1925.
A
“COLONEL CALVIN H. GODDARD”, MD
5
Q
- He is also the Father of Modern Ballistics.
A
“COLONEL CALVIN H. GODDARD”, MD
5
Q
both samples appears to be married so they are exactly look alike
A
INTERMARRIAGE
5
Q
examiner may rule out or conclude that “both ammunition or cartridge or bullet are fired from the same gun” wherein same yung gasgas, lands and grooves
A
INTERMARRIAGE
5
Q
TWO POSITIONS IN COMPARING EVIDENCE & TEST BULLET
A
A. INTERMARRIAGE
B. JUXTAPOSITION
6
Q
examiner may rule out or conclude that “both ammunition or cartridge or bullet are fired from the same gun” wherein same yung gasgas, lands and grooves
A
INTERMARRIAGE
7
Q
- the critical side by side examination of evidence and test bullet/shell.
A
JUXTAPOSITION
8
Q
means putting two things together to emphasize their contrast between them.
A
Juxtapose
9
Q
–aligning the bullets to begin with the analysis of the bullet or cartridge to test the markings side by side
A
JUXTAPOSITION
10
Q
–looking for the contrast or their differences
A
JUXTAPOSITION
11
Q
- This is used in preliminary examinations of fired bullets, shells.
A
STEREOSCOPIC MICROSCOPE
12
Q
- It is used also in close - up examination of tampered serial number of firearms.
A
STEREOSCOPIC MICROSCOPE
13
Q
–known as DISSECTING MICROSCOPE
A
STEREOSCOPIC MICROSCOPE
14
Q
–providing three dimensional or 3D view of the samples, commonly the bullet and cartridges
A
STEREOSCOPIC MICROSCOPE
15
Q
it can be used in Biology, Engineering
A
STEREOSCOPIC MICROSCOPE
16
Q
– a French scientific instrument maker who invented the first stereoscopic - style Microscope with two eyepieces in 1671.
A
Cherubin d’Oreans (1671)
17
Q
–known for his invention and development on Optical Instruments and Telescopes
A
Cherubin d’Orleans (1671)
18
Q
- He introduced a novel design that led him to become the forefather of Modern Stereoscope.
A
Honorato S. Greebough (1890)
19
Q
- He designed the first successful stereomicroscope.
A
Francis Herbert Wenham (19TH)
20
Q
-This was introduced in US and was named Cycloptic in 1957.
A
Francis Herbert Wenham (19TH)
21
--invented the Wenham Microscope Head which was called as CYCLOPTIC MICROSCOPE
Francis Herbert Wenham (19TH)
22
this equipment is capable of comparing two fired bullets and shells with a large screen.
COMPARISON PROJECTOR 6 (CP – 6)
22
– This instrument is similar with the Comparison Microscope (BCM)
COMPARISON PROJECTOR 6 (CP – 6)
23
it is projected with images
COMPARISON PROJECTOR 6 (CP – 6)
23
this equipment is capable of comparing two fired bullets and shells with a large screen.
COMPARISON PROJECTOR 6 (CP – 6)
24
can be presented in Court or any training environment
COMPARISON PROJECTOR 6 (CP – 6)
25
is an engineer and member of the British Army was the inventor of Comparison Projector 6
WILLIAM HOWARD LIVENS
26
- This is used in test firing to acquire test shells and bullets for comparison.
BULLET RECOVERY BOX
27
- This is used in test firing to acquire test shells and bullets for comparison.
BULLET RECOVERY BOX
28
--safely fire the firearm without damaging them
BULLET RECOVERY BOX
29
--preserving the critical markings for analysis without damaging them
BULLET RECOVERY BOX
30
--its inside is either rubber or cotton
BULLET RECOVERY BOX
31
--different from Ballistic Tank or Bullet Tank but they have same purpose
BULLET RECOVERY BOX
32
– can fire the bullet safely is with WATER
BULLET TANK
33
– This is used in determining the width of lands, width of grooves, diameter and twist of fired bullet.
MEASURING PROJECTOR 6 (MP – 6)
34
--projected measuring device that can measure and examine the fine details, bullets, and cartridges case
MEASURING PROJECTOR 6 (MP – 6)
35
--has two forms: manual and digital
CALIPER
35
- Generally, it is used to know the caliber of firearms, bullet and shell.
CALIPER
35
- This instrument is used to measure small things and small distances.
MICROMETER (C - CLAMP LIKE)
36
– This is derived from Greek words "Micro" which means small and "Metron" which means to measure.
MICROMETER (C - CLAMP LIKE)
36
is used to determine the;
a. Bullet Diameter
b. Rim diameter
c. Shell mouth diameter
d. Bore diameter
e. Shell Length
f. Barrel length
CALIPER
36
--like a Caliper but for small samples or super small dimension like 0.0 millimeter or 0.001 inches
MICROMETER (C - CLAMP LIKE)
36
- This is an enhancement of the Vernier Caliper.
MICROMETER (C - CLAMP LIKE)
37
"Micro" which means
"Metron" which means
small
to measure.
38
is considered the first inventor of micrometer
WILLIAM GASCONE (17th)
39
- Measurements are expressed in grams or grains
ANALYTICAL OR TORSION BALANCE
39
- It was introduced in Spain and was called "Tornillo De Palmer".
JEAN LAURENT PALMER (1848 - France)
39
- This is used to determines the weight of fired bullet, shots or pellets to know its caliber, type and make of firearm used.
ANALYTICAL OR TORSION BALANCE
39
- the inventor of palmer, which is used in measuring handheld objects.
JEAN LAURENT PALMER (1848 - France)
39
if bullet is shaved, it must be noted for its weight will
differ from standard.
39
--can weigh or measure up to smallest masses like 0.001 grams or milligrams or finer
ANALYTICAL OR TORSION BALANCE
39
is used in determining the right measurement for wedding, graduation and personalized rings.
Ring measurer
39
- It is used to determine the bore diameter of firearms or caliber.
TAPER GAUGE
40
--used in barrels or bore for measurements
TAPER GAUGE
41
--like a ruler for firearms and barrels
TAPER GAUGE
42
- This is a small instrument used in the examination of the interior surface of barrel.
ONOSCOPE
43
- It has tiny lamp at its end and is being inserted in the barrel to detect irregularities and imperfections, roughness and scratches.
ONOSCOPE
44
-a small instrument that sometimes used in examining the internal surface of the gun barrel with a tiny lamp at the terminal portion and this is inserted inside the bore for internal examination
ONOSCOPE
45
--like anoscopy for firearms wherein it has wire and there is a camera on its end wherein the wire will enter or put inside the anus or mouth of a person and they will examine the whole internal organ of that person
ONOSCOPE
46
- It also measures the angle of twist of rifling, either pistol or revolver barrel.
HELIXOMETER
46
- This is used to measure the pitch of rifling, which refers to a complete turn (360°) of a bullet inside the barrel.
HELIXOMETER
47
--examination of the barrel since bore has no riflings
HELIXOMETER
47
- This is used to measure the speed the bullet or muzzle velocity of the bullet that is invented by ALFRED LEE LOOMIS in 1918.
CHRONOGRAPH
48
CHRONOGRAPH invented by
ALFRED LEE LOOMIS in 1918.
49
- Prior to chronograph, __ was actually invented but not much reliable or accurate.
BOULENGE CHRONOGRAPH
50
– This is used in marking fired bullets, shells and firearms submitted for examination.
ELECTRIC GUN MARKER
51
– This is used in marking fired bullets, shells and firearms submitted for examination.
ELECTRIC GUN MARKER
52
--uses air pressure to have imprint on the fired bullets and cartridges cases
ELECTRIC GUN MARKER
53
CHRONOGRAPH measurement
foot per second or meters per second
53
--those markings that were made, will be compared to the suspect bullets to established that they were fired on the same firearm
ELECTRIC GUN MARKER
54
is a harder metal than the evidence to be marked.
STYLUS
54
- A pointed instrument used to mark;
STYLUS
55
-This is used in manually engraving the initials and date.
STYLUS
56
-can mark the:
a. Fired Bullets
b. Fire Shells
c. Firearms
d. Metallic Fragments.
STYLUS
57
--is a ballpen or pen used for markings
STYLUS
58
- This is used in orientation or preliminary examination of fired bullets and shells with the use of series of microscopic lenses of different magnifications.
SHADOWGRAPH
59
- This instrument contains a large circular ground glass that is about 14 in where the observation and comparison of the characteristics is done.
SHADOWGRAPH
60
- This can also take photomicrographs.
SHADOWGRAPH
61
--examining the flight dynamics of the projectile in which the bullet allows deeper analysis when it comes to the trajectory of the bullet
SHADOWGRAPH
62
- This is a mechanical trigger Pull trigger tester.
TRIGGER PULL GAUGE
63
--a.k.a TRIGGER PULL WEIGHT
TRIGGER PULL GAUGE
64
--measures how light or heavy or the pressure needed to pull the trigger
TRIGGER PULL GAUGE
64
- This is used to handle bullets.
TWEEZERS
64
--best used in windy situation
WIND FUNNEL
64
- This is 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.
BORESCOPE
64
– This is used to photograph projectile in flight.
WIND FUNNEL
64
-This enables to determine the speed, position of bullet and shock waves the projectile produces, invented by an American Engineer Harold Eugene "Doc" Edgerton.
WIND FUNNEL
65
--like Chronograph
WIND FUNNEL
66
WIND FUNNEL invented by
Harold Eugene "Doc" Edgerton.
67
– This is used to drill deep accurate holes.
GUN DRILLS OR DEEP HOLE DRILLS/ SINGLE FLUTE GUN DRILL
68
--usually used in manufacturing
GUN DRILLS OR DEEP HOLE DRILLS/ SINGLE FLUTE GUN DRILL
68
- describe as overall length
GUN DRILLS OR DEEP HOLE DRILLS/ SINGLE FLUTE GUN DRILL
68
- manufactured to industry standards and metric diameter
GUN DRILLS OR DEEP HOLE DRILLS/ SINGLE FLUTE GUN DRILL
69
-its parts:
Driver (inch)
Shank- manufactured from aircraft grade alloy steel tube
Tip
- solid carbide tip or kidney hole
-standard is an R-1 Contour, N-8 nose grind. Other grinds available
GUN DRILLS OR DEEP HOLE DRILLS/ SINGLE FLUTE GUN DRILL
70
- manufactured from aircraft grade alloy steel tube
SHANK
71
- solid carbide tip or kidney hole
-standard is an R-1 Contour, N-8 nose grind. Other grinds available
Tip
