revolving pendulum
theoretical pendulum
Indian file
array
articulation
bank
buzz
catena
catenation
chain
chain reaction
chaining
concatenation
connection
consecution
continuum
course
cycle
descent
drone
endless belt
endless round
file
filiation
gamut
gradation
hum
line
lineage
metronome
monotone
nexus
oscillator
periodicity
plenum
powder train
progression
queue
range
rank
recurrence
reticulation
rocker
rocking chair
rocking stone
rotation
round
routine
row
run
scale
seesaw
apparatus
setup
Foucault pendulum
compound pendulum
physical pendulum
simple pendulum
Foucault’s pendulum
pendant