hey markus, is that the original image size, and are there any other shots ? is the photographer/owner known, do you think we could coax them for more info ?
q14 seems to be a BC3078, but I think its an exception, the rest are probably generic (dare I say bc549)
there are a few interesting bits, theres some kind of resistor/diode tangle on the right side, and there's that big orange thing in the top right corner, some kind of inductor ?
three LED/LDR combos ! score