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REVERSE ENGINEERING
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EZEMIDLALO
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IZINTO EZIGQOKWAYO
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).
Osezingeni eliphezulu
Two hours, plus annealing
Imiyalelo
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.
Izinto zokwakha zalesi sinyathelo:
Isethi Yemibhobho Yengilazi1 ucezuAmathuluzi adingekayo:
Isibani sokuphephetha ingilazi sasetafuleni
Jacks (udlawu lwabakhi bengilazi)
I-marver (ipulangwe lokugingqa ingilazi)
Izibuko zokuphepha
Amagilavu Amelana Nokushisa2
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.
Izinto zokwakha zalesi sinyathelo:
Induku Yengilazi Ye-borosilicate1 ucezuAmathuluzi adingekayo:
Isibani sokuphephetha ingilazi sasetafuleniAmagilavu Amelana Nokushisa3
3
Anneal
Anneal
Anneal the jug in the kiln at once and cool it slowly; a handle joint is where strain collects.
Amathuluzi adingekayo:
Isithando4
4
Mark it
Mark it
Stand it on the balance, add water 50 g at a time and scratch a line at each level.
Izinto zokwakha zalesi sinyathelo:
Amanzi1 ilithaAmathuluzi adingekayo:
Isikali sesilinganiso
Isibhoboza Sedayimane5
5
Marks by weight
Marks by weight
Ilayisha incwadi ye-Jupyter…
Izinto
3- 1 ucezuIsibambeli
- Isibambeli
- 1 ilithaIsibambeli
Amathuluzi Adingekayo
8- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
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