33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
1578936
124814
2
Create a timeline
Public Timelines
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
FAQ
Create a timeline
Public timelines
FAQ
About & FeedbackTermsPrivacyFAQ
Support 24/7  
CabinetGet premium
Donate

feb 19, 1929 - Phillip Gravelle

Description:

in the 1920s forensic ballistics was waiting at its inception. In 1929, using a comparison microscope adapted for the purpose by Calvin Goddard and his partner Phillip Gravelle used similar techniques to absolve the Chicago Police Department of participation in the St. Valentine's Day Massacre.

Added to timeline:

Forensic Timeline

ByConnor Parks
7 Sep 2018
0
0
666

Date:

feb 19, 1929
Now
~ 96 years ago
About & FeedbackTermsPrivacyFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL