Lange's Handbook was the other essential reference, especially the older versions. I hung onto my 1965 edition because it still had a lot on wet chemical analysis that was dropped in later editions as we got more dependent on instrumentation.
Then the next step is shooting a variety of location backgrounds and you've got custom movies on demand where you select the stars, the location and paste it all into a stock plot - Cary Grant and Audrey Hepburn in Fast & Furious 27: Poughkeepsie.
And forklifts. The invention actually consists of two parts to be really successful - the second part being the forklift or pallet jack. Moving pallets by hand sucks.