Tag Archives: Razor Hone

F. Ghelfi, Birolleau & Cie (F.G.B.C.), Paris

ANNOUNCEMENT / DEUTSCHE VERSION / ENGLISH VERSION

 Content:
1. F.G.B.C. = Ferdinand(o) Ghelfi, Birolleau & Cie.
2. Historical approach and Italian roots
3. Old Pictures from the store F. Ghelfi & Cie. at 7, Rue de Charlot
4. The Trademarks from F.G.B.C.
5. The Quarries from F.G.B.C.
6. Steige, possibly origin of the fine red razor hones ?
7. Products and services from F.G.B.C.
8. Razor Hones “Pierre aiguiser LA LUNE”
9. Classification of the “LA LUNE” and “Special Stones”
10. La Lune and Special Stones from other suppliers?
11. A  promise on quality!
The warranty card, or the “Bulletin de Garantie”
12. Combo Stones “Combinaison Stone” AD12 / AD20
13. Scythe Stones “Pierre a faux” made of Pierre Natural de Saurat
14. Arkansas Stones
15. other Stones made by F.G.B.C.
16. The F.G.B.C. “Prix Courant” / Price List from 1974
17. Unknown Products
18. F.G.B.C. on the bigger trade fairs?
19. F.G.B.C. and Manufrance
20. Collection and how to identify french stones
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Pierre Du Sud-Ouest – French Mystery Stone

Size: 200 x 50 x 19mm weight:  573gr.
Density: XXXgr./cm³ /  Estimated grit size:  medium – fine > 4-10K
Usage: should be used with water
Color: a yellow to beige to yellow-green color mostly
with plant inclusions
Other names:
Pierre Du Sud-Ouest, French mystery Stone,
French Thuringian, Pierre D’italie

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James Howarth & Sons Genuine Grecian Hone (180 x 32 x 29mm)

Size: 180 x 32 x 29mm weight:  413gr.
Density: XXXgr./cm³ /  Estimated grit size:  medium – fine > 4K – 9K
Usage: should be used with slurry, water
it can be used with glycerine and oil to buffer the contact and gain better results
Color: green-grey to olive-green, sometimes with typical swirled/banded structures in a
dark-grey or dark-blue. This banding sometimes looks like a swarfing or waves.
Other Names:
Llyn Idwal Stone, Grecian Stone, Grecian Oil Stone
Supplier/Distributor: James Howarth & Sons, Sheffield

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O-Ha! Magnet = Elektrostein (98 x 30 x 10mm)

Size: 98 x 30 x 10mm weight: 80gr.
Density: xxgr./cm³ / Estimated grit size: very fine <12k
Usage: only with water, never use oil!
Color: green-grey, dark-grey, sometimes going in brown, mottled structure with black, blue, rose or green coloration
Other names:
mottled Thuringian, Schwedenstein, Swedenstein
Supplier/Distributor:
Otto Hunger, Elsterberg (Sachsen)
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Thuringian Bout No. 1 (120 x 110 x 25)

Size: 120 x 20 x 75 x 110 x 30 x 25mm weight:  652gr.
Density: XXXgr./cm³ /  Estimated grit size:  very fine > 12K
Usage: only use water, no oil or grease!
Color: light-green (LG)
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Thuringian Bout No.2 (110 x 60 x24mm)

Size: 110 x 60 x 24mm weight:  395gr.
Density: XXXgr./cm³ /  Estimated grit size:  very fine > 12K
Usage: only use water, no oil or grease!
Color: light-green (LG)

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Thuringian Bout No.4 (130 x 108 x 24mm)

Size: 130 x 108 x 24mm weight:  675gr.
Density: XXXgr./cm³ /  Estimated grit size:  very fine > 12K
Usage: only use water, no oil or grease!
Color: light-green (LG)
Seller/Supplier:
Hatzicho (Peter Buhlmann)
www.thurigianhones.de

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Thuringian Rectangular No.2 (125 x 25 x 16mm)

Size: 125 x 25 x 16mm weight:  147gr.
Density: XXXgr./cm³ /  Estimated grit size:  very fine > 12K
Usage: only use water, no oil or grease!
Color: medium-gray with yellow inclusions

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Thuringian Rectangular Stone No.1 (115 x 26 x 13mm)

Size: 115 x 26 x 13mm weight:  117gr.
Density: XXXgr./cm³ /  Estimated grit size:  very fine > 12K
Usage: only use water, no oil or grease!
Color: medium-gray

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Thuringian Bout Stone No9 (150 x 50 x 15mm)

Size: 150 x 50 x 15mm weight:  318gr.
Density: XXXgr./cm³ /  Estimated grit size:  very fine > 12K
Usage: only use water, no oil or grease!
Color: medium-gray

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