Overnight gas shutoff and nightlight for stairs 1893 (also Freon 12 in 1943)
Tidbit reprinted from old Scientific American:
It was thought best to shut-off gas for lighting overnight at the meter, but then how do you find your bed? Yankee invention.
Comments
-
Freon 12 definitely has an odor. Shutting off the town gas was probably to avoid everyone dying of co poisoning in their sleep.
0 -
It's also extremely toxic when burned but we never let facts get in the way of good advertising.
Single pipe 392sqft system with an EG-40 rated for 325sqft and it's silent and balanced at all times.
0 -
The refrigerant itself has no order, when in a system you're smelling the oil.
0 -
It isn't in a system when it was in an air duster(freon 12) can or an electrowash(freon 113) can and it has the same odor.
0 -
The same thing could be said of wood or plastic and those are a lot easier to construct conditions where they burn.
0 -
R-12 has no odor. Whatever you smell is something else carried by the R-12. It may or may not be flammable I don't know but phosgene gas it a major problem.
0 -
It has an odor according to wikipedia:
It is not flammable but will decompose if heated sufficiently.
0 -
Single pipe 392sqft system with an EG-40 rated for 325sqft and it's silent and balanced at all times.
0
Categories
- All Categories
- 86.8K THE MAIN WALL
- 3.1K A-C, Heat Pumps & Refrigeration
- 56 Biomass
- 425 Carbon Monoxide Awareness
- 108 Chimneys & Flues
- 2K Domestic Hot Water
- 5.6K Gas Heating
- 105 Geothermal
- 160 Indoor-Air Quality
- 3.6K Oil Heating
- 69 Pipe Deterioration
- 956 Plumbing
- 6.3K Radiant Heating
- 385 Solar
- 15.3K Strictly Steam
- 3.4K Thermostats and Controls
- 54 Water Quality
- 43 Industry Classes
- 47 Job Opportunities
- 18 Recall Announcements