TM 5-6675-314-14
CHAPTER 2
PORTABLE TRACING/SCRIBING BOARD
Section I INTRODUCTION
2-1. GENERAL INFORMATION.
2-1.1 Scope.
a.
Model Number and Equipment Name.
Model 51J3 Portable Tracing/Scribing Board.
b. Purpose of Equipment.
To provide illuminated work surface for tracing or
scribing.
2-2. EQUIPMENT DESCRIPTION.
2-2.1 Equipment Charateristics, Capabilities, and Features.
Provides lightweight,
portable, and diffused light source.
Used as work surface for tracing or scribing.
2-2.2
Equipment Data
2 - 3 .
with
Power Requirements
11O V, 60 Hz
Illumination
Two 30W fluorescent lamps
Work Surface
36.0 in. X 23.5 in.
(91.4 cm X 59.7 cm)
TECHNICAL PRINCIPALSOF OPERATION. Principles of operation are combined
operator’s controls and indicators for this equipment.
2-1
