Measurement

Description of Experiment

Year

GR 1/D^2

MN AvgD

Gm as* Measured

Corrected G *

Correct = 6.636046823

Cavendish

Sphere on sphere torsion balance, deflection

1798

18.90

20.3559033

6.754

6.272

Rose

Sphere on cylinder, off-set by angular acceleration

1969

33.0294641

33.2435457

6.674

6.631

Luther

Sphere on torsion pendulum, oscillation frequency

1982

202.3592593

203.6479930

6.6726

6.6304

Bagley 1

Sphere on torsion pendulum, time-of-swing

1997

193.3886963

194.6486773

6.6761

6.6328

Bagley 2

Sphere on torsion pendulum, time-of-swing

1997

204.9197739

206.2160079

6.6784

6.6364

Gundlach

Sphere on cylinder, off-set by angular acceleration

2000

15.0815354

15.1783611

6.674215

6.631639

Schlamminger

A Configuration of Cylinders, beam balance

2006

20.0209098

20.1497057

6.674252

6.631591

Quinn

Cylinders torsion pendulum, average of fixed deflection and period of oscillation

2013

0.1381959

0.1391082

6.67566

6.63167