research
 Patents
 Books
 Literature
 Articles
 Timeline
 Auction Archive

about
 About this site
 Wanted to buy

bulb gallery

Incandescent:
C
carbon
WD
drawn tungsten
WC
coiled tungsten
WM
mini tungsten
WS
pressed tung.
FG
figural bulbs
XL
christmas
XS
christmas sets
T
tantalum

Discharge:
HE
helium lamps
NE neon lamps
AR
argon lamps
XE
xenon lamps
MA
mercury
MC
fluorescent
MS
special mercury

Hardware:
F
fuses
FX
fixtures
PF
plugs & fittings
SA
sockets
SW
switches

tube gallery

 X-ray
 Geissler
 Crookes
 Radio
 Box art

collector
profiles

Dr. Hugh Hicks
S.Slabyhoudek
M-Jay

Fort Myers, FL.
Monsieur Ara
Fin Stewart

links

 Related links
 Submit a link

 


You are here: Home > Top > Search Results > wd0013

wd0013  

 

wd0013.jpg
 
history and origins
 
Manufacturer / Brand Name
GE National Mazda

Country of Origin
USA

Factory Location
Unknown

Date of Manufacture
ca.1912
 
electrical attributes
 
Voltage
Unknown

Wattage / Candle Power
150w (est.)

Amperage

 

physical attributes
 
Envelope
S40
Atmosphere
Vacuum


Finish / Color
Clear
Filament
Cage

 
Base
Edison; Medium Skirted
 
 
comments
  Tungten lamp employing Franz Skaupy's getter. The glass has as slight color hue, probably caused from the chemical getter.