What type of eyewear was credited to have been invented by the first Postmaster General?
bifocals
Spectacles
eyeglasses
Sunglasses
Spectacles
Eyeglasses
Spectacles
eyeglasses
Sunglasses
Spectacles
Eyeglasses
Optical glasses
Spectacles
Optical glasses
eyeglasses
Sunglasses
Spectacles
Optical glasses
Eyeglasses
Lenses
Spectacles
Optical glasses
Spectacle
Eyeglasses for the Post Office
Lenses
Spectacles
Optical Glasses
Optical glasses
Postal Spectacles
Spectacle
spectacles
eyeglasses
eyewear
Sunglasses
Optical spectacles
Throat Glasses
Eyeglasses
Throatpieces
spectacles
Optical glasses
Throatpiece
Throat-Screw
Spectacle
Optical Spectacle
Periscope
Spectacles
Optical Glasses
Eyewear
Eyeglasses for the Post Office
eyewear
Glasses for the Postal Service
eyeballs
Lenses
Throat-caps
Spectacle glasses
spectacles
Optical spectacles
Optical glass
Optical glasses
Glasses for the Post Office
Throatpiece
Throat Glasses
eyeglasses, eyeballs
Spectacle
Throatpieces
Throat-Screw
Optical Spectacle
Spectacles or glasses
Optical lenses
Periscope
Spectacles
Eyewear
spectacles
eyeglasses
eyewear
Glasses for the Postmaster General
eyeballs
Optical spectacles
The Spectacle
Throat-caps
Sunglasses
Optical glass
Spectacle glasses
Glasses for the Postal Service
Optical glasses
Throatpiece
eye-glasses
Spectacle
Throat-Screw
Eyeglasses for the Post Office
Optical Spectacle
Throat Glasses
Lenses
Eyeglasses
Optical lenses
Periscope
Throatpieces
spectacles
Throat-clears
eyeball glasses
Glasses for the Post Office
Post-Its
Spectacles
prescription eyeglasses
Spectacles or glasses
glasses
Throat-cap glasses
Glasses
Throat-Cuffs
Eyewear
Optical spectacles
Periscopes
Throat & Eyeglass
eyewear
Throat-cap
Optical glass
Throat-Shield
eyeballs
Throat-caps
Spectacle glasses
sunglasses
Glasses for the Postmaster General
Spectacle
Optical glasses
The Spectacle
spectacles
Periscope
Throatpiece
Optical lenses
Glasses for the Eyes
glasses
eyeball glasses
Throat-Screw
The Spectacles
Throat-clears
Post-Iron Eyewear
Throat-Screen
Post-Its
Spectacles
sunglasses
Optical Spectacle
Postal Spectacle
eyeballs
Optical glass
Throat-cap glasses
Glasses for the eye
Throat-cap
prescription eyeglasses
Spectacles or glasses
Throat & Eyeglass
Throat-clear
Throat-Shield
Throatpieces
glasses
Throat-Cuffs
Eyewear
spectacles
Optical spectacles
eyeglasses
eyewear
Spectacled glasses
Spectacle glasses
Throat glasses
Periscope
Spectacle
Spectacles.
Optical lenses
eyeglass
eyeball glasses
Sunglasses
Throatpiece
sunglasses
Optical glasses
Glasses, Optical glasses
Lenses
glasses
Throat-caps
Throat Glasses
Glasses
Post-Iron Eyewear
Post-Impressionist spectacles
Throat-Screen
Throat-Screw
Glasses for the Postal Service
Eyeglasses
Optical glass
spectacles
Post-Its
Throat-cap glasses
Spectacles
Throat-cap
Post-It Optical
sunglasses
Throat-clear
The Spectacles
Glasses for the Eyes
Throat-Shield
Optical spectacles
eye glasses
Glasses for Postal Service
Periscope