How about a hint. Are the tubes triodes, tetrodes, pentodes, BPT? On 2014-03-06 12:15 PM, <odysseyslipw...@aol.com> wrote:
> well, i know it's not part of the old short wave out in my > garage......... > > a selectable power supply of some sort? > > you said that one thing there near the middle isn't any kind of a tuner? > > In a message dated 3/6/2014 8:58:24 A.M. Eastern Standard Time, > frank.pitte...@gmail.com writes: > > Bzzzzzzzz ... wrong answer. > > The copper coffee bean roaster contains a set of four, multi-tap > fratistans that are wired to an eight-way rotary switch on the front panel, > as shown in the attached photo. Quite a simple device consisting of 4 > fratistans, 2 tubes, 1 BAVC (big ass variable capacitor), 1 BAVR (big ass > variable resistor), 1 transformer, a couple on-off switches and a couple > small resistors. > > On Wednesday, March 5, 2014 8:09:26 PM UTC-5, Mike Lyons wrote: >> >> That big copper can gives it away. >> It's a sonic resonant coffee bean roaster. >> This is how we made coffee before Starbucks. >> > -- > -- > You are currently subscribed to the "R/C Tank Combat" group. > To post a message, send email to rctankcombat@googlegroups.com > To unsubscribe, send email to rctankcombat+unsubscr...@googlegroups.com > Visit the group at http://groups.google.com/group/rctankcombat > > --- > You received this message because you are subscribed to the Google Groups > "R/C Tank Combat" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to rctankcombat+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > > -- > -- > You are currently subscribed to the "R/C Tank Combat" group. > To post a message, send email to rctankcombat@googlegroups.com > To unsubscribe, send email to rctankcombat+unsubscr...@googlegroups.com > Visit the group at http://groups.google.com/group/rctankcombat > > --- > You received this message because you are subscribed to the Google Groups > "R/C Tank Combat" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to rctankcombat+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > -- -- You are currently subscribed to the "R/C Tank Combat" group. To post a message, send email to rctankcombat@googlegroups.com To unsubscribe, send email to rctankcombat+unsubscr...@googlegroups.com Visit the group at http://groups.google.com/group/rctankcombat --- You received this message because you are subscribed to the Google Groups "R/C Tank Combat" group. To unsubscribe from this group and stop receiving emails from it, send an email to rctankcombat+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.