Ron Coleman:
Mortar, pestle and other chemistry equipment, Edison Labs
Ron Coleman:
Work bench, chemistry equipment, Edison Labs
Ron Coleman:
Chemistry apparatus, Thomas Edison National Historic Park -- chemical apparatus
Ron Coleman:
Vials, Edison chemistry lab
Ron Coleman:
Chemistry apparatus, Thomas Edison National Historic Park
Ron Coleman:
Rubber synthesizing vessels, Edison chemical lab
Ron Coleman:
Thomas Edison National Historic Park, alternate view of chemistry laboratory
Ron Coleman:
Chemistry workbenches, Thomas Edison National Historic Park
Ron Coleman:
Cabinet, Edison Laboratories
Ron Coleman:
Thomas Edison National Historic Park -- Chemistry Laboratory
Ron Coleman:
Thomas Edison National Historic Park -- Materials storage
Ron Coleman:
Materials depot, Edison Lab
Ron Coleman:
Pieces of everything known to man, Edison Labs
Ron Coleman:
Thomas Edison National Historic Park, interior view
Ron Coleman:
Shop floor, Edison Labs
Ron Coleman:
Thomas Edison labs, machinery
Ron Coleman:
Thomas Edison National Historic Park -- Machine Shop
Ron Coleman:
Time is life -- Edison Laboratory
Ron Coleman:
Hats and coats as left behind, Edison Labs
Ron Coleman:
Gold phonographic recording master
Ron Coleman:
Record pressing machines, Edison Labs
Ron Coleman:
Machine shop view, Edison Labs
Ron Coleman:
Machine shop, Thomas Edison National Historic Park
Ron Coleman:
Alternate view of gears, Thomas Edison labs
Ron Coleman:
Gears, Thomas Edison National Historic Park
Ron Coleman:
Machinery view, Thomas Edison National Historic Park
Ron Coleman:
Drill press, Edison Laboratory
Ron Coleman:
Heavy machine tools, Edison Labs
Ron Coleman:
VIntage fire extinguisher, Edison Labs
Ron Coleman:
I'm a big Edison fan
