TM 5-6675-319-14
CHAPTER 9
CONTACT PRINTER/ENLARGER
Section l INTRODUCTION
9-1. GENERAL INFORMATION.
9-1.1 Scope.
a. Model Number and Equipment Name. Mark IV R5A Contact Printer/Enlarger.
b. Purpose of Equipment. To produce contact prints and approximately double-size enlargements of
photographs in specified sizes with maximum detail in all areas.
9-1.2 List of Abbreviations.
APL
CRT
EXP
RPT
9-1.3 Glossary.
Automatic Platen Lifter . . . . . . . . . . . . . . . . . . . .
Cathode
Ray
Tube
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Chopper
Inverter
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Continuous
Tone
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Automatic Platen Lifter
Cathode Ray Tube
Exposure
Photomultiplier Tube
Roll Paper Transport
Motor driven mechanism that raises and
lowers the hood.
Vacuum tube in which an electron beam is
projected on a phosphorous screen to
produce a bright spot.
Device that interrupts direct current at short
regular intervals and converts it to an
alternating current
Tone variation in a negative or print, due to
variations in blackness (density) such as
those seen in an ordinary snapshot.
Change 1
9-1
