UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA
Borosilicate Measuring Jug with a Pulled Handle
A measuring jug is a wide glass beaker with a pouring spout, a handle and volume marks; in borosilicate it takes boiling liquids. Make the body as for a beaker from wide tube, fuse on a handle drawn from thick rod, anneal, and mark it by weighing water.
The picture: an old glass measuring cup with its handle applied hot and a stamped seal (Metropolitan Museum of Art).
Hejuru
Two hours, plus annealing
Amabwiriza
1
1
Body
Body
From wide borosilicate tube, close and flatten a bottom, flare the rim and pull a deep spout, as for a beaker.
Ibikoresho by'iyi ntambwe:
Agafuka k'imiyoboro y'ikirahure1 igiceIbikoresho bikenewe:
Itara ryo ku meza ryo guhuha ikirahure
Jacks (ifatanya ry'umukozi w'ikirahuri)
Marver (urupapuro rwo kuzunguza icyuma cy'ikirahure)
Amadarubindi y'umutekano
Uturindantoki twihanganira ubushyuhe2
2
Handle
Handle
Heat a spot below the rim opposite the spout and the end of a thick rod together, press the rod on, bend it round in a loop and fuse its lower end to the side.
Ibikoresho by'iyi ntambwe:
Agati k'ikirahure cya borosilikate1 igiceIbikoresho bikenewe:
Itara ryo ku meza ryo guhuha ikirahureUturindantoki twihanganira ubushyuhe3
3
Anneal
Anneal
Anneal the jug in the kiln at once and cool it slowly; a handle joint is where strain collects.
Ibikoresho bikenewe:
Itanura4
4
Mark it
Mark it
Stand it on the balance, add water 50 g at a time and scratch a line at each level.
Ibikoresho by'iyi ntambwe:
Amazi1 litiroIbikoresho bikenewe:
Umunzani w'ibiro
Agati ko gushushanya k'idayimani5
5
Marks by weight
Marks by weight
Gupakira ikaye ya Jupyter…
Ibikoresho
3- Umwanya
- Umwanya
- 1 litiroUmwanya
Ibikoresho bikenewe
8- Umwanya
- Umwanya
- Umwanya
Iki gishushanyo gikora
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