Component identification

[chris p]

The AWA preamp I am in the process of rebuilding has some old parts that I'd like help with.

The first is a capacitor, marked "495 DUCON 100mf 6VW 70oC" but with NO polarity marking. Its on a gain stage board. Is this likely to be bipolar, or is it more likely that the polarity marking has simply rubbed off (other DUCON caps, and other electrolytics, on the same board still have clear polarity marks).

The second is a small component, also looking like a radial electro cap, is marked "DUCON 10/12 70oC". Any thoughts?

Finally, there's something that looks like a small resistor - a black thin cylinder with bulbous ends for the leads, one of which is marked with an orange dot. No other markings.

Any comments gratefully received.