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2. Overhead projector - Wikipedia

   en.wikipedia.org/wiki/Overhead_projector

   Overhead projectors were used early on for police work with a cellophane roll over a 9-inch stage, allowing facial characteristics to be rolled across the stage. [ citation needed ] As the demand for projectors grew, Buhl Industries was founded in 1953, and became the leading US contributor for several optical refinements for the overhead ...

3. Things Boomers Took for Granted That are Obsolete Now

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   Overhead Projectors. Early 1960s-2015 ... Cheap, Easy, Healthy: 9 Best Bang-for-Your-Buck Foods at Costco. Show comments. Advertisement. Advertisement. Holiday Shopping Guides.

4. List of obsolete technology - Wikipedia

   en.wikipedia.org/wiki/List_of_obsolete_technology

   Overhead projector and slide projector: Video projector: Primarily for continued use of older materials. Some teachers find the overhead projector more convenient for lectures depending on their teaching style. Phonograph and phonograph record: Audio cassette, 8 track tape, CD, digital audio: Used to play older or archived recordings.

5. 50 Times Cheap Fixes Had A Major Impact On Home Life - AOL

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   Bought a used projector on ebay, a screen at my local Amazon return warehouse, and a home theater sound system assembled from goodwill purchases and I have an outdoor movie theater setup in my ...

6. Polylux (overhead projector) - Wikipedia

   en.wikipedia.org/wiki/Polylux_(overhead_projector)

   The Polylux was an overhead projector produced in the German Democratic Republic (GDR). It also functioned as a generic name for overhead projectors in the GDR. The Polylux was produced in the VEB ( Volkseigener Betrieb : people’s enterprise) Phylatex-Physikgeräte DDR, in Frankenberg near Chemnitz (then known as Karl-Marx-Stadt ).

7. 73 Brands That Are Still Made Right Here in the USA - AOL

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   The plant was once used to make copiers and overhead projectors, and the facilities have expanded to focus on the adhesive notepads since 1985. ... 13 Cheap Pets That Are Easy to Take Care Of.