Police technician testing for traces of blood | San Francisco Public Library

[]Details

Local Identifier: AAJ-0102
Title: Police technician testing for traces of blood
Date: 1950-07-19
Creator: San Francisco History Center, San Francisco Public Library
Collection: San Francisco Subjects Photograph Collection
Collection Number: SFP 162
Location: San Francisco History Center, San Francisco Public Library
Shelf Location: SFP 162. S.F. Police. Crime Lab
Type of Resource: still image
Physical Description: 1 photographic print : b&w ; 6 x 8 in.
Form: photographic prints
Use and Reproduction: All requests for permission to publish from photographs must be submitted in writing to the Photo Curator. Permission for publication is given on behalf of the San Francisco Public Library as the owner of the physical items.
Rights Statement: In copyright.
Note: Newscopy: Leonard R. Wiebe, police technician, demonstrates a simple test which invariably spotlights the slightest trace of human blood. A drop of a mixture of hydrogen peroxide, acetic acid and benzidine produces a blue stain on rag being tested if any blood is present.
Language (code): eng
Genre: Photographs
LCSH Subjects: Acetic acid
Benzidine
Crime laboratories
Forensic sciences
Hydrogen peroxide
San Francisco (Calif.)--Photographs
Subject Name: San Francisco (Calif.). Police Department
Handle: http://hdl.handle.net/20.500.12352/islandora:217819