6 Feb
1998
6 Feb
'98
12:20 p.m.
< Aluminium galls too bad to use with aluminium against aluminium. and it
I used to used a aircraft silicone lube on mine and cleaned it
periodically. Otherwise it would bind annoyingly.
<been a lot of slide rules made of it. My MB_4 and EB-6 aircraft navigati
<slide rules are both built of it. My dad had an old (K&E ?) rule that's
<also aluminium.
I may add that it depends on the alloy too.
Allison