I got bored after finishing my collision analysis part, so I stay on and "disturb" some of my friends doing bullet and cartridge ID, when nobody is using the digital camera microscope, I went to play with it..
Here shown a 9mm cartridge being placed under the microscope..
While placing the cartridge under the scope, I found it quite interesting looking at my large finger, I can even see my fingerprints very clearly... and had notice a strand of hair on it..
Using the computer software, we can calculate the riffling angle, which will tell us the twist per metre of the barrel..
Different types of bullets and cartridges..
A 9mm bullet and cartridge, the bullet is a hollow-point / semi-jacketed. 
Here shown a 9mm cartridge being placed under the microscope..While placing the cartridge under the scope, I found it quite interesting looking at my large finger, I can even see my fingerprints very clearly... and had notice a strand of hair on it..Using the computer software, we can calculate the riffling angle, which will tell us the twist per metre of the barrel..9 x 19mm. At the centre with a small indentation is the firing pin mark, there are some other marks such as breech face marks, slide marks, extractor and ejector mark etc..
A 9mm bullet and cartridge, the bullet is a hollow-point / semi-jacketed. Itchy hand put it back into the cartridge, and it fits well inside! (I shouldn't be doing this anyway...)
2 comments:
Hey, I am impressed with the microscope. I must learn how to take pictures using the microscope!!
the microscope has a digital camera attached on top of it.. the camera is connected to the computer, and the microscope will come with a software package on taking pictures of the sample.. i'll try to take some pictures using my digital camera rather than my phone camera this coming wednesday..
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