Coin Slot

Coin Slot Magazine - #054 - 1979 - August [International Arcade Museum]
Jl6ouf BACKGLASS PRESERVATION-
"ALL LAMPS ARE NOT CREATED EQUAL"
1979 EDITION
by STEVE YOUNG
their investment in their games. The effect is the
New and important information has been gath
ering together to form this updated article on back-
glass preservation.
same: pinball art will be preserved.
This information is vital to the
There are two "worst enemies" of backglasses--
preservation of coin operated equipment cosmetics-
primarily glass and plastic which has been inked
dampness and
or painted to set the theme of the game.
first enemy must be controlled by storage con
Both
rapid temperature changes.
The
novice and professional alike will find that the
ditions.
techniques detailed will be easy to implement As
ments or buy dehumidifiersS
Get those machines out of damp base
techniques and materials are developed this article
ature changes such as moving a machine from win
will be updated to reflect that new knowledge.
ter's cold to a warm house.
room temperature
Avoid gross temper
Allow it to warm to
before turning on the game.
From the ink/glass system's point of view, a rapid
Sometimes a collector will acquire a pinball
machine with a backglass where the ink has sepa
and uneven temperature change occurs every time
rated from the glass and often lies in flakes at the
the machine is switched on.
bottom of the lightbox.
ink
This situation is heart
near the
From ambient, the
lamps can reach temperatures ap
breaking and there is at present little remedy for
proaching 200 degrees F.
such a case except for the replacement of the glass
of this punishment as the plasticizer is evaporated
if one can be found.
and the ink becomes increasingly brittle.
More often, however, the
backglass shows a few areas where the ink has
The ink takes the brunt
The ink
being an organic material expands more than the
just begun to separate or, wonder of wonders, the
glass, causing the adhesion to be weakened after
glass is perfect.
some number of cycles.
Peeling in its earliest stages can
be reversed by methods described below.
ther
peeling,
Fur
produced
or the initiation of peeling if the
behind
The amount of this heat
the glass,
along with the dis
tance of separation between lamp and glass can be
glass is perfect, can be avoided by proper treat
controlled by the proper selection of lamps and
ment of the game and its glass.
in some cases modification of the cabinet.
Operators can
The
preserve the resale value of their equipment for
table below lists the majority of lamps found in
trade-in or home sales. Collectors can preserve
pinball machines.
Lamp
#
12
44
46
47
50
51
55
63
130
259
455
1458
Volts
Current
Watts
Base
Style
6-8
0.15A
0,25
0.25
1.05
2-pin
F
.2.5
6-8
6-8
1.75
A
1.0
1.75
Bayonet
Screw
A
1.5
3000
6-8
0.15
1.05
Bayonet
A
3000
6-8
6-8
6-8
0.22
0.22
B
1.0
1.5
1.5
C
2.0
500
D
2.0
B
1000
5000
.com
m
u
e
m: Screw
ro 1.54
us
f
m
d
-
e
e
d
1.54
Bayonet
ad Bayonet
oa .arc 2.87
nl 0.41
w
o
w
D
4.41 S.C. Bayonet
6-8
0.63
ww
:// 0.15
p
t
t
6-8
1.05 Bayonet
h
6-8
6-8
20
Bulb
style
B
Cost Ave.
Wedge
E
__
Bayonet
C
1.5
1.5
3.5
5.0
Bayonet
C
4.5
0.15
Flasher
1.05
0.25
© The 1979
International
Museum
Copyright
by Steven Arcade
P. Young.
All rights reserved.
16
Life
SOOOhours
3000
1000
1000
5000
500
250
http://www.arcade-museum.com/