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microtome
double head microscope
kinematograph
gravimeter
calorimeter
radiotelegraph
galvanometer
measuring device
mutoscope
barograph
photolithographic
micrometer
arithmometer
viscometer
measuring bell
mantlet
radiometer
theodolite
calculating machine
photometer
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microtome
double head microscope
kinematograph
gravimeter
radiotelegraph
calorimeter
colorimeter
microfilming
measuring device
galvanometer
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film projector
gravimeter
microfilming
calorimeter
kinematograph
photolithographic
galvanometer
projectionists
cinematograph
agfa isolette
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electroscope
siphon
titration
esterification
erlenmeyer flask
titrations
kinematograph
sciencetimes
syphon
siphoning
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moviola
graphophone
the gramophone
kinematograph
writing or drawing device
gravimeter
grammophon
cinematograph
straw press
gramophones
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sewing machine
kinematograph
gestetner
bobbin with felt cover
straw press
microtome
sewing supplies
tailor seat
hemming
lectotype
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electropneumatic
thermostatic
pneumatic
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micrometer
faucets
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nozzles
hydropneumatic
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calorimeter
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kinematograph
micrometer
kinetoscope
perforator
patent motor car
internal-combustion engine
photolithography
cutaway
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tailor seat
straw press
hokenson
seed machine
bandsaw
training apparatus
chartock
writing or drawing device
sugar cane press
lathing
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newton's cradle
apparatus
training apparatus
medical instrument
radiometers
arresters
multiplane
gravimeter
candlestick for three candles
electropneumatic
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kinetoscope
radio device
camera illustration
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lyre box
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wind engine
seed machine
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agricultural machine
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cable reel
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kinematograph
electroscope
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radiometers
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viscometer
newton's cradle
writing or drawing device
arithmometer
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kinematograph
electroscope
resuscitator
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viscometer
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distilling
calorimeter
microtome
galvanometer
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kinematograph
galvanometer
wooden cable reel
microtome
micrometer
pencil sharpener
moviola
old calculating machine
gravimeter
lectotype
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microfilming
vintage camera
graflex
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vintage box camera
microfilms
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photo equipment with full-size
twin-lens reflex
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typing machine
old calculating machine
vitaphone
seed machine
gramophones
typesetters
calculating machine
teleprinter
lectotype
phonographs
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kinematograph
gravimeter
straw press
calorimeter
arithmometer
seed machine
microfilmed
double head microscope
microtome
photolithographic
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treadle
writing or drawing device
commodes
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sawhorses
seed machine
hand cart
patent motor car
hokenson
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galvanometer
kinematograph
gravimeter
steam engine
rheostat
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collimator
radiotelegraph
patent motor car
wind powered water pump
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sawhorses
writing or drawing device
seed machine
band saw
bandsaw
sawing
gravimeter
perforator
gravimetric
sewing machine