The Baldwin model 105 is an older mechanical counting machine. It even has an on board tach generator.

The Baldwin model 109 is a nice laser counting machine that is much more accurate than the mechanical machines. On board tach generator and Denex laser counter.

The Baldwin model 209 is the next generation laser counting machine that is even better than the 109. I On board tach generator and Scatec-1 laser counter.

BALDWIN 105