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Explore original camera manuals, equipment references and historical documents.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.
2PDF documents
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Slant/FinPDF
Heatwise BK-1 oil boiler booklet - 1993
Equipment reference
5 pages · EnglishRead →
Slant/FinPDF
Slant Fin Liberty oil fired boiler
Equipment reference
20 pages · EnglishRead →
Original publisher and archive notices are retained. Historical references are identified separately from equipment instructions.