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Graphite Powder Ground from Plumbago
Plumbago, the black lead of Borrowdale, is natural graphite: soft, lead-grey and greasy, it cuts with a knife and blackens the fingers. Andrew Ure (1839) lists its uses against friction, for crucibles and for glossing cast iron. Pick it clean of rock, grind it and sift it to a fine powder. Wear a dust mask.
The picture: a lump of natural graphite.
Mwanzo
Two hours
Maagizo
1
1
Dress the lumps
Dress the lumps
Break the plumbago with a hammer and pick out the pieces of rock, as the Borrowdale miners sorted and dressed it by hand.
Vifaa kwa hatua hii:
Grafiti asilia1 kgZana zinazohitajika:
Nyundo yenye kichwa cha duara
Glavu za mpira
Mizani ya mizani-mbili2
2
Grind and sift
Grind and sift
Grind the clean pieces in the mortar a handful at a time and shake them through the sieves, finest last. Grind what stays on the sieves again.
Zana zinazohitajika:
Kinu na mchi
Seti ya chekecheke (matundu ya viwango)
Barakoa ya vumbiGlavu za mpira3
3
Store
Store
Weigh the fine powder and keep it in a closed jar.
Zana zinazohitajika:
Mizani ya mizani-mbili
Chupa ya Kioo4
4
Powder from your plumbago
Powder from your plumbago
Inapakia daftari la Jupyter…
Vifaa
1- 1 kgKishikilia Nafasi
Zana Zinazohitajika
7- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
Mchoro huu unatengeneza
Blueprint zinazohusiana
Blueprint hizi zinashiriki maarifa — mbinu, vifaa au kanuni
CC0 Umma Wote
Mchoro huu umetolewa chini ya CC0. Uko huru kunakili, kubadilisha, kusambaza, na kutumia kazi hii kwa madhumuni yoyote, bila kuomba ruhusa.
Saidia Mtengenezaji kwa kununua bidhaa kupitia Mchoro wao ambapo wanapata Kamisheni ya Mtengenezaji iliyowekwa na Wachuuzi, au unda marudio mapya ya Mchoro huu na uiunganishe kama kiungo katika Mchoro wako kuchangia mapato.