John Seaman

The 7000 works fine with rechargeables. Actually there were two battery holders, one for AAA's and one for AA's. I think the OP's camera has the one for AAA's which is slimmer,

No. A photo.net member asking for help.

Minolta 24-85 on Sony A900

Actually the camera was designed so that a plain Baldina could be upgraded to a coupled rangefinder Super Baldina by replacing the whole top assembly. Look at the picture below, an old camera catalogue, saying that the upgrade cost £8.8.0 (eight pounds eight shillings). This suggests that removing the top might not be too difficult. I found an old photo.net thread about this - scroll down to the bottom to see two posts by Jack Critchley:

Walzflex TLR

Exactly right.

Kodak DCS520 2MP DSLR

Between guide numbers and TTL there was the non-TTL auto system in which the flashgun controlled the exposure via a light sensor on the front. it's still very usable as I suggested in an earlier post: But yes, TTL was found to be unreliable on digital SLR's because of the shiny nature of the sensor.