Back to Holography in Norway
Making the Gun master: These images are stored at high resolution. Click any image to view at full size.

This is the final result:
The overhead reference beam mirror.
Illumination by two diffusers...
As you can see, the diffuseres are simply glass from a broken bulb.
50/50 beamsplitter from Edmund is nice to have.
Note the black painted master glass in the plate holder - The beamsplitter divides the illumination beam into two parts before diffusion.
The laser source - note the old voltmeter serving as an electronic shutter. In fact, the electronic shutter is connected to the PC printer port in order to get exact exposure times.