Mining, 1967; photograph of a mining area
Navigation, 1968; four men studying a navigation tool
Navigation, 1968; five men standing around a navigation tool
![Navigation, 1968; five men standing at a table examining a navigation chart [1 of 3]](/uploads/r/null/8/5/2/852ed62941c0c1f11d3b983f502272b3b510a278931d5896da0c869de2e55e8b/a004369_142.jpg)
Navigation, 1968; five men standing at a table examining a navigation chart [1 of 3]
![Navigation, 1968; three men looking at a piece of navigation equipment [2 of 2]](/uploads/r/null/8/8/6/886619c2e4c295758528090a66d9af155bd7e3a71c7021e28af85a4e30e8eda5/a004379_142.jpg)
Navigation, 1968; three men looking at a piece of navigation equipment [2 of 2]
![Navigation, 1968; three men examining a binnacle [2 of 2]](/uploads/r/null/8/f/0/8f0859379d6f67ea0b5dc559daa046725c0e6b03cbed970b19ba839aba28a67a/a004381_142.jpg)
Navigation, 1968; three men examining a binnacle [2 of 2]
![Navigation, 1968; students in a classroom [2 of 2]](/uploads/r/null/3/0/f/30fb3eb317e8722b90196cf7653465d2911f9f7ccf0a6f8e1dbeef21cc4410c2/a004383_142.jpg)
Navigation, 1968; students in a classroom [2 of 2]
Office Machine Mechanic, 1968; man repairing a typewriter
Office Machine Mechanic, 1968; man reading a typewriter repair manual, typewriter on desk in front of him [1 of 2]
Office Machine Mechanic, 1968; man repairing the rollers on a typewriter
Office Machine Mechanic, 1968; man repairing a typewriter ; repairing tools on desk
Office Machine Mechanic, 1968; man repairing a typewriter ; repairing tools on desk ; student working in background
