If I can't test it fully I will say so. This is not correct. provided the box doesn't get too large or heavy.
Semiconductor Magazine Articles And Data Sheets 1987
6L6G TUNG-SOL RE-ISSUE MATCHED PAIR NEW BOXED VALVE TUBE
McMurdo Components Technical Catalogue Issue Four
STC Stantel Thermistors Third Edition Issue 2 Data Sheets
G. E. C. 500mW Audio Amplifier Application Report No. 8 Issue 1 1959
McMurdo Components Issue Four Catalogue