Return to the thumbnail page Display/hide file information See previous file See next file

Patent for multi filament lamp ( 3 light lamps)

Patent for multi filament lamp ( 3 light lamps)

Click to view full size image

I have several old patents (bought 3 books years ago and shows much history re lamps vacuum tubes etc.

_1290701.JPG _1290506.JPG _1290504.JPG _1290238.JPG

File information

File information

Download: Download this File
Filename:_1290504.JPG
Album name:migette1 / Migette1
Keywords:Miscellaneous
File Size:309 KB
Date added:Feb 05, 2014
Dimensions:1537 x 2050 pixels
Displayed:108 times
URL:http://www.lighting-gallery.net/gallery/displayimage.php?pos=-90351
Favorites:Add to Favorites
Comments
rjluna2
Full Member
***
Offline

Gender: Male
Posts: 176
View Gallery

Robert


GoL
View Profile Personal Message (Offline)
Feb 05, 2014 at 06:09 AM Author: rjluna2
Is this supposedly a three-way bulb here?

Pretty, please no more Chinese failure.





Posts:
View Gallery

View Profile Email
Feb 05, 2014 at 06:16 AM Author:
That is the prototype of the 3 way lamp Robert from a very old patents publication.
FrontSideBus
Jr. Member
**
Offline

Gender: Male
Posts: 59
View Gallery


View Profile Personal Message (Offline)
Feb 05, 2014 at 07:24 AM Author: FrontSideBus
Interesting!

UK out of the EU!
http://www.lighting-gallery.net/gallery/index.php?cat=11271





Posts:
View Gallery

View Profile Email
Feb 06, 2014 at 01:54 AM Author:
Thanks FSB will put more up from time to time.
Lampje
Newbie
*
Offline

Gender: Male
Posts: 1
View Gallery

passionated lightbulb collector


View Profile Personal Message (Offline)
Jan 20, 2016 at 01:21 PM Author: Lampje
Do you have more of these drawings?
This is really interesting.
I always asked myself who invented all the lamps we collect.
You have a part of the answer in your collection. Very special.
© 2005-2017 Lighting-Gallery.net | Powered by: Coppermine Photo Gallery