Mark
a
architect
bazooka
calliope
cinematograph
contriver
designer
developer
deviser
enterpriser
entrepreneur
founded
framer
hedgehog
kinematograph
launch pad
launcher
launching pad
launching platform
launching tube
magic lantern
mousetrap
organizer
planner
promoter
silo
slide projector
slide viewer
stereopticon
strategian
strategist
tactician
balopticon
mirrorscope
radiopticon
optical device
overhead projector
TV
camcorder
camera
communicator
detector
emitter
flashlight
gadget
generator
laptops
laser
microphone
monitor
photography
printer
projection
receiver
recorder
scanner
searchlight
telescope
transmitter
viewer
Hector
Rector
Schechter
collector
connecter
connector
defector
director
erector
hector
injector
inspector
lecter
lector
nectar
objector
protector
rector
reflector
sector
specter
spectre
vector