PASCO AP-8215A Gravitational Torsion Balance - Manual (Page 6)

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G r a v i t a t i o n a l T o r s i o n B a l a n c e E q u i p m e n t
2
Equipment
Included:
(*part no. 004-06788)
Gravitational Torsion Balance Plastic Plate
Support Base with Leveling Feet Replacement Torsion Ribbon*
1.5 kg Tungsten Balls (2) 2-56 x 1/8 Phillips head screws (4)
Adapter Rings (2) Phillips screwdriver (not shown)
Additional Required:
Laser light source (such as the PASCO OS-9171 Helium-Neon Laser)
Meter stick
Att ach to Ea rth Gro und.
GR AV IT AT IO NA L
TO RS IO N B
AL AN CE AP-8215
1.5 kg Tungsten
masses
Adapter rings
Plastic demonstration
plate
Replacement
torsion ribbon
Zero adjust
knob
Torsion ribbon
head
Aluminum plate
Leveling feet
Pendulum
mirror
Optical
grade glass
window
Large mass
swivel support
Leveling sight
2-56 x 1/8 Phillips
head screws
Figure 2: Equipment included