Forensic Comparison Microscope
with Image capturing Device
Along with key cases, he details such techniques as Alphonse Bertillon's program of physical measurements used to recognize habitual criminals; the study of fingerprints; Phillip Gravelle's comparison microscope
for examining bullets; the development of bloodstain identification; and recent advances in DNA typing techniques, blood-spatter analysis, and face-pattern recognition.
Jefferson received a grant that paid for the comparison microscope
the class uses.
In this stage, a trained firearm-toolmark examiner using a specially designed comparison microscope
determines if sufficient agreement of features (usually scratch marks or striations) exists to conclude that a bullet was fired from a particular firearm.
The comparison microscope
is the primary tool used in trace evidence comparisons in forensic science laboratories.
However, courts don't accept as evidence the results of an automated search without verification by a firearms examiner looking at the actual bullets or cases with a comparison microscope
Then, by properly focusing the instrument and moving the bullets or shells into their correct positions, the comparison microscope
will transmit the fusion of both fatal and test bullets or shells.
Although the technology was primitive in 1921, by 1927 the comparison microscope
was in use, and in tests made in that year and again in 1935, 1961 and 1983, it was shown that one bullet taken from the body of the dying payroll guard had been fired from Sacco's Colt pistol.
Tenders are invited for Purchasing one (1) Leeds Model LCF3 Forensic firearm comparison microscope
or equivalent unit plus all parts, delivery, installation, calibration and one year warranty.
The comparison process involves the side-by-side analysis of a questioned hair and known hair samples using a comparison microscope
Tenders are invited for Forensic Firearm Comparison Microscope
The use of a high-quality transmitted light comparison microscope
is mandatory when comparing the microscopical characteristics of hairs.