Experimental Bloomery Iron Smelting
PUBLICATIONS


Self Published Books & Reports

Smelt 2 Smelt 2
'20 Years Before the Blast'
Experimental Bloomery Iron Smelting
2001 - 2024
with Neil Peterson

This 212 page volume is a survey of 101 iron smelting tests by the author and his working team, presented in a more formal academic style. Includes assesments of furnace builds, air systems, ore types and bloom qualities. There are overviews of four major experimental series; iron smelt in Vinland, Icelandic turf walled furnaces, the Turf to Tools project, and Norse Bellows equipment.
8 1/2 x 11 paperback format, 99 colour colour photographs, 25 illustrations, 48 charts and graphs.
companion to 'Basics of Bloomery Iron Smelting'

Kindle Edition
Amazon Paperback
smelting 1
smelting 1
Basics of Bloomery
Iron Smelting

Experimental Bloomery Iron Smelting - Part One

with Neil Peterson

ISBN : 978-1-0691597-2-4
January 2025

This 202 page book is a practical description of the bloomery iron smelting method, as well as providing a overview of the history and the theoretical process. There is information on ores, furnace construction, tools, operating sequence and the final bloom to bar step. Based on 20 years and 100 experimental smelts, with 115 illustrations and images. (8.5 x 11", colour)

Kindle Edition
Amazon Paperback

dense dense B
How Dense Are You?
Recording Bloom Density
from experimental iron smelting

with Neil Peterson

ISBN : 978-0-9783284-6-7
February 2024

This 46 page report details 30 iron blooms, all made during during investigations into Viking Age smelting methods, and compares them to a number of artifact blooms from Norway. Potential effects of ore types, air volumes, compaction efforts, and working experience is charted. (8.5 x 11", B&W)


Specific Experimental Series Reports

icelandic icelandic


Icelandic Sod Walled

Bloomery Furnaces

based on the remains at Hαls


ISBN : 978-1-0691597-0-0
December 2024
Prepared with the assistance of Neil Peterson

This 124 page report details 11 experimental bloomery iron smelts, running from 2001 to 2022, all based on aspects of the first iron smelt in North America, at L'Anse aux Meadows, Newfoundland about 1000 AD. Includes an analysis of the archaeological evidence, descriptions of the individual exerimental tests, with 44 images and 13 illustrations. (8.5 x 11", colour)


Vinland Vinland
Iron Smelting in Vinland
Converting archaeological evidence to a practical method

ISBN : 978-0-9783284-7-4
November 2024

This 90 page report details 14 experimental bloomery iron smelts, running from 2001 to 2022, all based on aspects of the first iron smelt in North America, at L'Anse aux Meadows, Newfoundland about 1000 AD. Includes an analysis of the archaeological evidence and 49 images and figures. (8.5 x 11", colour)

T2T t2T b
Turf to Tools
A Final Summation
with commentary by Deirdre O’Mahony

ISBN : 979-83215146-1-0   
April 2024

A richly illustrated 76 page report on the Turf to Tools project, from 2013 - 23 at the Scottish Sculpture Workshop and the Wareham Forge. The project combined archaeology, practical experience, and artistic elements over 8 individual bloomery iron smelts and object creation. (8.5 x 11, colour)


Related Published Book Chapters / Journal Articles


• 2025, ’20 Years Before the Blast - Experimental Bloomery Iron Smelting 2001-2024’, at CAMELOT, University of Waterloo, Waterloo Ontario

• 2025, ‘Icelandic Sod Walled Bloomery Furnaces, based on the remains at Hals’, presentation at the International Congress on Medieval Studies, Kalamazoo, online (narrated YouTube video) :
https://youtu.be/bFLFvsZqYI4?si=w5QsUlMyK16bVXSG

• 2023, ‘Experiment, Archaeology & Art - The Turf to Tools Project’ in Experimental Archaeology at EAA-23, Fregni & Maguire (editors), pending?
also
Full version of the original paper, online (web site) :
https://www.warehamforge.ca/ironsmelting/turf2tools/index.html
as a PDF : https://www.warehamforge.ca/ironsmelting/turf2tools/T2T-full.pdf

• 2021, ‘Standardized Reporting of Experimental Iron Smelting - A modest (?) Proposal’ in The EXARC Journal, issue 2021/1, online (web journal) : https://exarc.net/ark:/88735/10559

2021, with Smith, K. P. & Peterson, N., ‘Now with 70% Less Clay! Experiments with Viking Age Icelandic Turf walled Iron Smelting Furnaces’, presentation for the EAC12 Conference, online (narrated YouTube video) : https://youtu.be/7Ltz5NG2BP0

2021, with Cogswell, R. & Peterson, N., ‘Archaeology, Experience and Experiment : Further tests of Icelandic iron smelting furnaces’, in Can These Bones Come to Life? Volume 3, Cramer, M. (editor), Freelance Academy Press, pending?
also
2021, Revised version available online (web site) :
https://www.warehamforge.ca/ironsmelting/iron2021/A,E&I-full/index.html

• 2020, ‘Westward Viking – Iron from Norway to Iceland ... to Vinland’, presentation for the Woodford Furnace Festival, online (narrated YouTube video) :
https://www.youtube.com/watch?v=BfUzfGHuq7Q

• 2014, ‘An Iron Smelt in Vinland - Converting Archaeological Evidence to Practical Method’, in Can These Bones Come to Life?, Cramer, M. (editor), Freelance Academy Press.

Version available as PDF : https://www.warehamforge.ca/ironsmelting/LAM/Smelting-Vinland-V3.pdf

• 2012, 'But If You Don't Get Any IRON...' Towards an Effective Method for Small Iron Smelting Furnaces', in The EXARC Journal, issue 2012/1, online (web journal) :
https://exarc.net/ark:/88735/10041 Also available as PDF : 
http://www.warehamforge.ca/ironsmelting/Get-Iron.pdf

Self Published on the Internet

• from 2006, ‘Experimental Iron Smelting’, online (web site) :
https://www.warehamforge.ca/ironsmelting/index.html

• from 2006, 'Hammered Out Bits', online (blog) Search topic or label 'iron smelting' : https://warehamforgeblog.blogspot.com/

• 2025, ‘Experimental Bloomery Iron Smelting – Data’, with Neil Peterson, online (web site) : https://www.warehamforge.ca/ironsmelting/Iron-Smelt-Data/index.html


• 2024, 'Bloom to Bar - Smelt 35', online (web site) :
https://www.warehamforge.ca/ironsmelting/iron2024/35toBar/35%20to%20bar.html

• 2023, 'Bloom to Bar to Axe, Forging a replica of the Rhynie Man's axe.', online (web site) : https://www.warehamforge.ca/ironsmelting/turf2tools/bloom-bar-axe.html

• 2022, 'That Which Remains' : Signs from Bloomery Iron Smelting - Initial Compaction’, online (as PDF) : https://www.warehamforge.ca/ironsmelting/iron2022/2-compacting.pdf

• 2021, 'Wind and Weathering - Part Three, Long Term Erosion', online (web site) :
https://www.warehamforge.ca/ironsmelting/iron2021/10-30-21/weather.html

• 2021, 'Wind and Weathering - Part Two, Air Delivery', online (web site) :
https://www.warehamforge.ca/ironsmelting/iron2021/10-30-21/wind.html

• 2021, ‘Pulsing Air – Equipment Test’, online (web site) :
https://www.warehamforge.ca/ironsmelting/iron2023/10-23/index.html

• 2021, ‘Stacking Up, On constructing clay furnace walls’ online (web site) : https://www.warehamforge.ca/ironsmelting/stacks/stacks.html

• 2021, 'Sticking To It - A clay mix for Icelandic (furnaces).' online (blog posting) : http://warehamforgeblog.blogspot.com/2021/06/sticking-to-it-clay-mix-for-icelandic.html

• 2021, ‘Evidence of Absence, Erosion of Bloomery Furnaces’, online (web site) : https://www.warehamforge.ca/ironsmelting/erosion/erosion2021.html

• 2021, 'Into Phase Three - Continuing experiments with iron smelting, based on Hals, Iceland', online (web site) : https://www.warehamforge.ca/ironsmelting/phase3/phase3.html

• 2021 (last revision), 'Iron Content of Ores', online (web site) :
https://www.warehamforge.ca/ironsmelting/ores.html

• 2018, 'Bloom to Bar - Results & Yields', online (web site) :
https://www.warehamforge.ca/ironsmelting/Bloom2Bar/bloom2bar.htm

• 2016, 'Turf to Tools - An artisan's view', online (web site) :
https://www.warehamforge.ca/ironsmelting/turf2tools/Artisans-View.html

• 2012, ‘Slag Tuyere Rings’, online (blog posting) :
https://warehamforgeblog.blogspot.com/2012/04/slag-tuyere-rings.html

• 2012, ‘Forging (a copper tuyere)’, online (blog posting) :
https://warehamforgeblog.blogspot.com/2012/04/forging.html

• 2011, ‘The EconoNorse Iron Smelter’, online (web site) :
https://www.warehamforge.ca/ironsmelting/EconoNorse/index.html

• 2010, ‘Concerning the Shape of Blooms’, online (web site) :
https://www.warehamforge.ca/ironsmelting/bloom-shape.html

• 2009, 'An iron smelt in Vinland. Working towards a reconstruction of the L'Anse aux Meadows smelt.' Listing of 8 separate related blog postings (web site) :

https://www.warehamforge.ca/ironsmelting/LAM/Iron-Smelt-at-Vinland.html

• 2008, ‘Towards an Icelandic Smelt - Based on the remains at Hals’, online (web site) : https://www.warehamforge.ca/ironsmelting/HALS/index.html

• 2008, ‘Continuing Adventures in Early Iron Production - An overview of experimental iron smelts,
2001 – 2006’, revised version of unpublished 2006 paper, online (web site) : https://www.warehamforge.ca/ROMiron/V2/V2.html

• 2007, 'Working Towards an Icelandic Iron Smelt - Based on the remains at Hals', with Kevin Smith and Neil Peterson, online (web site) :
https://www.warehamforge.ca/ironsmelting/HALS/index.html

• 2007, ‘Revised Norse Blacksmith Bellows Air Delivery Test’, experimental report, online (web site) : http://www.warehamforge.ca/ironsmelting/bellowstest.html

• 2007, revised 2012, ‘Air Flow Rates’, equipment data tables, online (web site) :
http://www.warehamforge.ca/ironsmelting/flowrates.html

• 2007, 'Charcoal Pit Burn Test', photo essay, online (web site) :
https://www.warehamforge.ca/ironsmelting/charcoal-707/index.html

• 2006, 'Blooms on Hand - to April 2006', data table, online (web site) :
https://www.warehamforge.ca/ironsmelting/blooms0406.html

• 2004 ' The Limits of Experiment', online (web site) :
https://www.warehamforge.ca/ironsmelting/consider.html

• 2004, 'Iron Smelting Series - An Experimental Philosophy', online (web site) : https://www.warehamforge.ca/ironsmelting/prediscuss.html

• 2002, 'Iron in the Viking Age', set of (early!) lecture notes, online (web site) : https://www.warehamforge.ca/ironsmelting/ironnote.html


 Related Conference Presentations


• 2025, ’20 Years Before the Blast - Experimental Bloomery Iron Smelting 2001-2024’, at CAMELOT (conference), University of Waterloo, Waterloo Ontario

• 2023, ‘Experiment, Archaeology & Art - The Turf to Tools Project’, presentation at the 2023 European Archaeology Assn. conference, Belfast Ireland.

• 2023, 'Bloomery Iron Smelting', demonstration (x 2) at the Caherconnell Furnace Festival, the Burren Ireland

• 2018, 'Bloomery Iron Smelting', demonstration at the CAMELOT (conference), St Jerome’s University, Waterloo Ontario

• 2017 / 2012 / 2010, 'DARC at Vinland', demonstration iron smelts, L’Anse Aux Meadows NHSC, Newfoundland

•2016, 'Norse Bellows Test', demonstration at the Reconstructive and Experimental Archaeology Conference, Williamsburg Virginia

•2015, 'The Aristotle Furnace', demonstration at the Reconstructive and Experimental Archaeology Conference, Gastonia North Carolina
and also

• 2014, 'The Turf to Tools Project', presentation at the Reconstructive and Experimental Archaeology Conference, Gastonia North Carolina

• 2013, 'I'll Huff and I'll Puff, Observations on Air Delivery in Bloomery Iron Furnaces', presentation at the International Congress on Medieval Studies, Kalamazoo

• 2013, 'Early Iron in North America - Experimental methods towards a sucessful bloomery iron smelt', presentation at the Reconstructive and Experimental Archaeology Conference, Gastonia North Carolinna

• 2012, 'Towards an Iron Smelt in Vinland', presenation at the International Congress on Medieval Studies, Kalamazoo

• 2008, 'Iron Smelting in Thy', participant demonstrator (x 3), Heltborg Museum, Denmark

• 2006, ‘Continuing Adventures in Early Iron Production - An overview of experimental iron smelts,
2001 – 2006’, presented at the 2006 Friends of the Medieval Studies Society of the Royal Ontario Museum 1st Annual Symposium, Toronto Ontario


Unless otherwise indicated :
All text and photographs © Darrell Markewitz, the Wareham Forge