This picture shows new Woodward Permanent Magnet Generators on the shop floor carts(patent number 1,884,043 and PMG manual 11004). A governor technician assembling a compensating mechanical water wheel governor size C(patent number 679,353). And on the right of the picture it shows a control stand for a new hydraulic gate shaft type water wheel governor(patent number 1,106,434). Patent history is fun!