| |
DF3VI > TECHNIK 04.09.05 23:18l 10 Lines 433 Bytes #999 (30) @ WW
BID : 49FDB0II_04B
Read: DJ4KI GUEST DL1LCA OE7FMI
Subj: Re: Why vacuum tubes
Path: DB0FHN<DB0MRW<DB0RGB<OK0PPL<DB0RES<DB0GOS<DB0OVN<DB0II
Sent: 050904/2107z @:DB0II.#NRW.DEU.EU [BCM M'Gladbach] obcm1.06b52 LT:030
From: DF3VI @ DB0II.#NRW.DEU.EU (Patrick)
To: TECHNIK @ WW
Reply-To: DF3VI @ DB0OVN.#NRW.DEU.EU
X-Info: Sent with login password
Ian, there is a second reason why not to use an inert gas in light bulbs and
have a vacuum instead. Any gas would take up heat energy (warmth) and transfer
it away from the filament. So more energy would be needed to light it up
and it would also mean more heat stress for the glas bulb.
73, Patrick
Read previous mail | Read next mail
| |
