telespectrograph
radiospectrometer
telespectroradiometer
coude telescope
coude system
photospectroradiometer
teleotoscope
subreflector
reflector
telephotometer
robodoc
microspectrophotometer
radio observation
solar telescope
perspective glass
telescopically
photoheliograph
glass
astrograph
astrointerferometer
field glass
scopeful
spectropolariscope
pole
radiograph
thoracometer
pulmometer
speculum
pneumometer
spectrohelioscope
tactometer
monocular
dioptric
Schmidt telescope
Schmidt camera
spyglass
refractor
spectrofluorophotometer
telescopical
spectroheliokinematograph
sunshield
dynameter
phototelescope
focimeter
cryptoscope
telescoping
raft
observatorial
spectroscopically
telespectroscope
tailpiece
off-axis reflector
monoscope
Herschelian telescope
telescopic
radioprobe
tachygraphometer
spectrophotogoniometer
strainometer
Galilean telescope
spectrofluorometric
pyranometer
water telescope
Nasmyth telescope
ultramicrospectrophotometer
photomacroscope
coronograph
spectrohelioscopic
microvideoscope
roentgenometer
photospectroheliograph
tyndallmeter
telestereoscope
telemanometer
absorptiometer
rainmeter
alidade
Dobsonian
alidad
altigraph
evaporimeter
circle
anapnograph
fluoromicrograph
roentgenoscope
electrosphygmomanometer
scatterometry
photophore
spectrograph
Jodrell Bank