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Mounted Oilstone: Turkey Stone Cut, Rubbed Flat on Emery and Bedded in a Lidded Wooden Block (Tomlinson, 1854)
Youblob (drawing after C. Tomlinson) · Public domain
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Mounted Oilstone: Turkey Stone Cut, Rubbed Flat on Emery and Bedded in a Lidded Wooden Block (Tomlinson, 1854)

The joiner's oilstone of the 1850s, from Tomlinson's Cyclopaedia of Useful Arts quoting Holtzapffel: a piece of Turkey oil-stone cut to a rectangle with diamond powder, rubbed flat with sand or emery on an iron plate, cemented into a block of wood with glaziers' putty and given a wooden lid, used with a thin oil.
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Amabwiriza

1

Stone sizes

Gupakira ikaye ya Jupyter…
2

Read the Cyclopaedia of Useful Arts

"As a whetstone it surpasses every other known substance."
3

Cut and flatten the stone

Take a rough piece of Turkey oil-stone (black is somewhat harder than white). Cut it to a rectangle with a lapidary's slitting-mill and diamond powder, then rub the faces smooth with sand or emery on an iron plate.

Ibikoresho by'iyi ntambwe:

Turkey OilstoneTurkey Oilstone1 igice
Ifu ya emeryIfu ya emery1 igice

Ibikoresho bikenewe:

Umusumeno wa DiyamaUmusumeno wa Diyama
Urupapuro rw'icyumaUrupapuro rw'icyuma
Indobo ya Litiro 20Indobo ya Litiro 20
4

Bed it in wood

Cut a recess in a block of wood to take the stone and cement it in with glaziers' putty. Make a wooden lid to keep out dust; its inside may be covered with a thick piece of buff leather, which takes up oil from the tool and serves as a strop.

Ibikoresho by'iyi ntambwe:

Ikibaho cy'igiti cy'umwaloni w'umweruIkibaho cy'igiti cy'umwaloni w'umweru1 igice
Glazier's PuttyGlazier's Putty1 igice
Uruhu rworoshye rwo guhanaguraUruhu rworoshye rwo guhanagura1 igice

Ibikoresho bikenewe:

Umucumita w'IntokiUmucumita w'Intoki
Ibyuma byo kubazaIbyuma byo kubaza
Inyundo y'IgitiInyundo y'Igiti
Ikoresho cyo gusiga ibitiIkoresho cyo gusiga ibiti
5

Use

Sharpen with neatsfoot oil, or any oil not disposed to thicken (he also names sperm oil).
6

Troubleshooting

Oilstone troubleshooting.

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7

History and honest limits

From Charles Tomlinson (ed.), **Cyclopaedia of Useful Arts** (1854), vol. II, "Hone", quoting Holtzapffel (checked on the archive.org scan cyclopdiaofuse02tomlrich, p. 18). He gives no block sizes; oak for the block, the tools and the diagram are ours.

Ibikoresho

5

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7

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Washed Emery Graded by Settling Time, and Emery Paper, Cloth and Sticks (Tomlinson, 1854)

Washed Emery Graded by Settling Time, and Emery Paper, Cloth and Sticks (Tomlinson, 1854)

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