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| 3852 | Anti-aircraft director, optical, manufacturing | |
| 3852 | Binocular manufacturing | |
| 3852 | Blueprinting machine manufacturing | |
| 3852 | Bomb sight manufacturing | |
| 3852 | Camera manufacturing | |
| 3852 | Coddington magnifying instrument manufacturing | |
| 3852 | Colorimeter, optical instrument, manufacturing | |
| 3852 | Contact lenses manufacturing | |
| 3852 | Elbow telescope manufacturing | |
| 3852 | Eyeglasses, complete, manufacturing | |
| 3852 | Eyeglasses, lens and frame manufacturing | |
| 3852 | Field glasses manufacturing | |
| 3852 | Film reel and rewinder manufacturing | |
| 3852 | Fire control instrument, optical, manufacturing | |
| 3852 | Fire sighting equipment, optical, manufacturing | |
| 3852 | Flack spotting instrument, optical, manufacturing | |
| 3852 | Flashlight apparatus, photographic, manufacturing | |
| 3852 | Frame, eyeglass, manufacturing | |
| 3852 | Glass eye manufacturing | |
| 3852 | Gun sight manufacturing | |
| 3852 | Height finder and director, optical, manufacturing | |
| 3852 | Industrial goggle manufacturing | |
| 3852 | Lorgnette manufacturing | |
| 3852 | Lupe manufacturing | |
| 3852 | Magnifier manufacturing | |
| 3852 | Magnifying instrument manufacturing | |
| 3852 | Magnifying lens manufacturing | |
| 3852 | Meteorological instrument, optical, manufacturing | |
| 3852 | Microfilm camera manufacturing | |
| 3852 | Microfilm machine manufacturing | |
| 3852 | Microfilm projection apparatus and condenser manufacturing | |
| 3852 | Microscope manufacturing | |
| 3852 | Microscope, electron, manufacturing | |
| 3852 | Microscope, proton, manufacturing | |
| 3852 | Mirror, glass, optically worked, manufacturing | |
| 3852 | Mirror, optical, of any material, manufacturing | |
| 3852 | Motion picture camera manufacturing | |
| 3852 | Motion picture projection machine manufacturing | |
| 3852 | Motion picture screen manufacturing | |
| 3852 | Mounting, eye glasses and spectacles, manufacturing | |
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