The M. Butkus collection
Heating & home equipment — Butkus archive
Explore original camera manuals, equipment references and historical documents. Each document keeps its source, original pages and download file.
3PDF documents
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WhitfieldPDF
List of what they fix
Equipment reference
2 pages · Not specifiedRead →

WhitfieldPDF
Photo Eye Test -- for certain units
Equipment reference
1 pages · EnglishRead →

WhitfieldPDF
THIS BOOKLET
Equipment reference
17 pages · EnglishRead →
Original publisher and archive notices are retained. Historical references are identified separately from equipment instructions.