US130740A - phelps - Google Patents
phelps Download PDFInfo
- Publication number
- US130740A US130740A US130740DA US130740A US 130740 A US130740 A US 130740A US 130740D A US130740D A US 130740DA US 130740 A US130740 A US 130740A
- Authority
- US
- United States
- Prior art keywords
- phelps
- prdcessj
- lithugrapli
- sheeti
- heets
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- External Artificial Organs (AREA)
Description
' ZS-heets- SheetI. W. M. PHELPS.
. Hot-Air Furnace. No. 130,740. r Patented Aug.20,1872.
Witnesses: Inventor;
4M. Film-LITHUGRAPlI/L Ca M )1 /03 50/7/7515 PRDCESSJ
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US130740A true US130740A (en) | 1872-08-20 |
Family
ID=2200157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US130740D Expired - Lifetime US130740A (en) | phelps |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US130740A (en) |
-
0
- US US130740D patent/US130740A/en not_active Expired - Lifetime
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