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portable tripod
theodolite
tripod head
heliograph
camera tripod
manfrotto tripod
photo equipment with full-size
tripod ball head
cinematograph
camera illustration
tripods
camera stand
surveying equipment
telescoping
mini tripod
cinematographers
radiotelegraph
stepladder
photolithographic
boschwitz
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图片
GIF 动图
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portable tripod
heliograph
tripod head
camera tripod
manfrotto tripod
camera illustration
tripod ball head
photo equipment with full-size
cinematograph
telescoping
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camera illustration
camera stand
movie camera
cinematograph
camera drawing
microfilming
tripod head
video camera
box camera
videocamera
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camera tripod
tripod head
tripod
camera stand
mini tripod
tripod ball head
portable tripod
lens-style logo
photo equipment with full-size
manfrotto tripod
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kinetoscope
surveying equipment
photo equipment with full-size
male poses for drawing
radiotelegraph
anthropometric
camera illustration
stereoscope
draughtsmen
anthropometry
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steeplejack
transmission mast
starflyer
antenna tower
radiotelegraph
training apparatus
apparatus
aerial passenger line
wireline
rigging
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aerial passenger line
tensegrity
live broadcast antenna
radio antenna
transmission mast
radio masts
radiometers
quipu
transmitter
radiometer
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vintage box camera
cinematograph
camera tripod
camera stand
twin-lens reflex
twin lens reflex
tripod head
radiotelegraph
site camera gun
photogrammetry
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handheld electric megaphone
tellurometer
condenser microphone
turbo jet engine
horn loudspeaker
micrometer
electric megaphone
oxygen cylinder
patent motor car
radiophone
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heliograph
photolithographic
radiometers
helmholtz
cosmographia
boschwitz
telegraphs
multiplane
photolithography
mezzotints
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camera tripod
camera stand
tripod head
filming equipment
external flash
video camera
portable tripod
tripod ball head
site camera gun
photo equipment with full-size
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theodolite
photo equipment with full-size
surveying equipment
gravimeter
kinematograph
radar equipment
theodolites
radiotelegraph
photometer
heliograph
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surveyors
surveying equipment
radiotelegraph
year of construction 1954 – 1962
construction work
ironworkers
scaffoldings
construction workers
ironworker
falsework
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celestron
telescope
telescopes
tripod head
telescoped
astrascope
sextant
theodolites
camera tripod
heliograph
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tightrope walker
rodchenko
tightrope
heliograph
aerial passenger line
highwire
mezzotints
parachutist
abseil
cable skiing
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anthropometric
bartitsu
contraption
portable tripod
mutoscope
balance bicycle
the horse-rocking chair
equal-arm balance
training apparatus
gyroscopic
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transmission mast
transmitter
antenna tower
rope ladder
aerial passenger line
radiotelegraph
radio tower
transmission tower
fire tower
play tower
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portable tripod
photo equipment with full-size
camera tripod
camera stand
tripod head
celestron
camera illustration
light stand
teleprompter
tripod ball head
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gantry crane
transmission mast
container crane
load crane
bauma
the large crane
harbor crane
antenna tower
crane boom
mega crane
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vintage box camera
twin lens reflex
6x9 film camera
collodion
film projector
box camera
photo equipment with full-size
kinetoscope
cinematograph
vintage camera
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seamanship
aerial passenger line
deckhand
hoisting
tightrope walker
helmsman
slackening
dockworker
on the poles
rigging