Global Environmental Change: An Atmospheric Perspective John Horel And Jack Geisler John Wiley & Sons, Inc. T19 6 for 6SN7s

6 for 6SN7s

100% is 56/56

2 milliamps and transconductance was 2460 micromhos for Tube One (Raytheon-BRANDED)

Transconductance measured 74 for Tube One and 76 for Tube Two where minimum (65%) is 58

I just cleaned this LP on our VPI 16

Global Environmental Change: An Atmospheric Perspective John Horel And Jack Geisler John Wiley & Sons, Inc. T19 6 for 6SN7sThis book is in fine condition. The spine is in fine shape with no loose pages. THIS IS NOT AMAZON. THERE WILL BE NO REPLACEMENTS FOR LOST PACKAGES. IN PRACTICE THIS MEANS YOU TAKE ON THE RESPONSIBILITY FOR THE LOSS IF THE PACKAGE IS MARKED AS "IN TRANSIT" OR AS "DELIVERED." MAIL GETS MISPLACED, STOLEN AND LOST. SOME COUNTRIES DO NOT HAVE INTERNAL TRACKING. CHINA IS AN EXCELLENT EXAMPLE. IF YOUR COUNTRY IS SIMILAR, IT IS YOUR RESPONSIBILITY TO