[TR] rubber restorative?

[Randall]

> As the rubber bulb (meant for squeezing) works, but needs 
> some TLC.  Could soaking(the bulb only) in barely-used 10w30 
> motor oil, possibly be restorative? 

It depends on exactly which "rubber" the bulb is made of; but in general I
think motor oil is more likely to degrade it than help preserve it.  I would
be more inclined to try "silicone spray", which should be readily available
at Wal-Mart or any auto parts store.  Apply a light coat, then wait for it
to soak in, and apply another coat.  Repeat as necessary.

Of course, this will not remove any existing damage, but it should help
soften and rejuvenate the rubber that is still in good shape.

Randall