D.C. Powered Timing Light Model 161.2158 for 12 Volt Ignition Systems / Sears Owners Manual

owners manual D.C. POWERED TIMING LIGHT MODEL 161.2158 FOR 12 VOLT IGNITION SYSTEMS
RULES FOR SAFE OPERATION
DO NOT LOOK DIRECTLY AT THE LENS OF THE TIMING LIGHT WHEN IT IS OPERATING.
PRELIMINARY
HOW TO CONNECT
ENGINE TIMING
Transcriber's Notes
Although not officially a part of the original publication, the sales receipt was included and as the date and price information may be of interest, it was converted into an electronic version: