by Ian Cameron » Sun Aug 20, 2006 1:00 pm
The first 4120g were straight graphite, if the current ones are graphite top wrap over glass they will be nowhere near as fragile. Hope I didn't mislead you.
Leigh - mostly 4oz. Some batches were more durable than others but geez it hurt when they exploded under full pressure. Never found all the bits from one. Out in the middle of a footy field too, just disappeared.