Table of Contents
Advertisement
11.
Appendix
A simple camera unit for photographing road surfaces
Requirements
Methods of photographing road surfaces have been described
6
elsewhere
but the camera units used are not suitable for use by a
skidding team. Such a team requires a relatively small unit which can
be carried in one piece in a car or light van, is easily transportable
from one section to an adjacent section of road, and is.
fig. 3. Diagrammatic arrangement of surface texture camera unit
Hinged
door
Centre
of flash
fig. 3. Diagrammatic arrangement of surface texture camera unit
2
Focussing plane
Identification rule
55 cm
Advertisement
Table of Contents
