![Another Sunday hi-fi Illustration day, this time with a surprising piece I found online from a time when ecological machines were not a thing: the Sony WM-F107! This is a full-fledged solar Another Sunday hi-fi Illustration day, this time with a surprising piece I found online from a time when ecological machines were not a thing: the Sony WM-F107! This is a full-fledged solar](https://preview.redd.it/ke4d5zgv80181.jpg?auto=webp&s=3c59a2945047a2643d9c4ae338d4c47dd02e7523)
Another Sunday hi-fi Illustration day, this time with a surprising piece I found online from a time when ecological machines were not a thing: the Sony WM-F107! This is a full-fledged solar
![Obsolete Sony - @ObsoleteSony: In 1987, Sony released the WM-F107 Solar Walkman, the first solar-powered cassette player. It was compact, waterproof, and had metal tape compatibility. Due to production difficulties, Sony didn't Obsolete Sony - @ObsoleteSony: In 1987, Sony released the WM-F107 Solar Walkman, the first solar-powered cassette player. It was compact, waterproof, and had metal tape compatibility. Due to production difficulties, Sony didn't](https://preview.redd.it/obsolete-sony-in-1987-sony-released-the-wm-f107-solar-v0-iki0dwux61kb1.jpg?auto=webp&s=ce74512507fe75203dceb5299712d10029a1080c)
Obsolete Sony - @ObsoleteSony: In 1987, Sony released the WM-F107 Solar Walkman, the first solar-powered cassette player. It was compact, waterproof, and had metal tape compatibility. Due to production difficulties, Sony didn't
![SONY WM-F107 Solar Walkman Stereo Cassette player + original speakers – St. John's Institute (Hua Ming) SONY WM-F107 Solar Walkman Stereo Cassette player + original speakers – St. John's Institute (Hua Ming)](https://i.ebayimg.com/images/g/1cEAAOSwO9pkbJr9/s-l1600.jpg)
SONY WM-F107 Solar Walkman Stereo Cassette player + original speakers – St. John's Institute (Hua Ming)
![Ultra Rare Solar Powered Portable Cassette Player Intersound WS-350 Retro Walkman Alternative, Audio, Portable Music Players on Carousell Ultra Rare Solar Powered Portable Cassette Player Intersound WS-350 Retro Walkman Alternative, Audio, Portable Music Players on Carousell](https://media.karousell.com/media/photos/products/2019/06/29/ultra_rare_solar_powered_portable_cassette_player_intersound_ws350_retro_walkman_alternative_1561807437_6f3379df.jpg)
Ultra Rare Solar Powered Portable Cassette Player Intersound WS-350 Retro Walkman Alternative, Audio, Portable Music Players on Carousell
![Obsolete Sony on X: "In 1987, Sony released the WM-F107 Solar Walkman, the first solar-powered cassette player. https://t.co/B34ixSipBR" / X Obsolete Sony on X: "In 1987, Sony released the WM-F107 Solar Walkman, the first solar-powered cassette player. https://t.co/B34ixSipBR" / X](https://pbs.twimg.com/media/GBc0a6xWUAAtCu8.jpg)
Obsolete Sony on X: "In 1987, Sony released the WM-F107 Solar Walkman, the first solar-powered cassette player. https://t.co/B34ixSipBR" / X
![Obsolete Sony on X: "Sony's 1987 WM-F107 Solar Walkman was the first cassette player powered by solar panels. It was compact, had metal tape compatibility, and a waterproof case. Sony didn't produce Obsolete Sony on X: "Sony's 1987 WM-F107 Solar Walkman was the first cassette player powered by solar panels. It was compact, had metal tape compatibility, and a waterproof case. Sony didn't produce](https://pbs.twimg.com/media/FxwRA1bXsAEVjE3.jpg:large)
Obsolete Sony on X: "Sony's 1987 WM-F107 Solar Walkman was the first cassette player powered by solar panels. It was compact, had metal tape compatibility, and a waterproof case. Sony didn't produce
![SONY WM-F107 Solar Walkman Stereo Cassette player + original speakers – St. John's Institute (Hua Ming) SONY WM-F107 Solar Walkman Stereo Cassette player + original speakers – St. John's Institute (Hua Ming)](https://i.ebayimg.com/images/g/K74AAOSw~xpkbJrv/s-l1600.jpg)