Lynn spent the entire day in the pottery workshop.

Either checking the melting state of the raw materials in the kiln, having the apprentices add coal, or explaining some techniques of glassmaking to Beo and Layla...

Until dusk approached.

The raw materials in the kiln had completely melted into a mass of light blue viscous liquid.

This liquid was the successfully melted glass.

Lynn looked at the apprentices and said, "Move the prepared molds over and start casting!"

A series of orderly responses sounded.

"Yes, Lord!"

"Yes..."

With Lynn's command, the apprentices got busy.

Several climbed onto the nearby platform, taking up long-handled iron ladles, and started scooping the glass liquid from the kiln.

One ladle after another of glass liquid was poured into the polished clay molds.

Due to the liquid nature, the glass spread and flowed outwards on its own.

Once the first mold was filled with glass liquid, the apprentices immediately brought over a second clay mold.

This was repeated.

Molds filled with glass liquid needed to be placed in the open to undergo preliminary natural cooling.

Natural cooling prevents internal stress within the glazed glass, making it less brittle.

After preliminary cooling, the glazed glass needed to undergo annealing, placing the cooled glass into the annealing oven for secondary heating.

After heating, it is cooled naturally again.

This process is to eliminate internal stress in the glazed glass, enhancing its durability and stability.

Although neither Beola nor the apprentices knew this process, everything proceeded in an orderly manner under Lynn's direct supervision.

A few more hours passed.

The first piece of annealed glazed glass was taken out from the annealing furnace.

The sky outside the workshop had dimmed.

Only oil torches were burning inside the workshop for illumination.

Under the warm yellow glow of the torches, a large piece of light-reflecting glazed glass caught everyone's eye in the workshop.

Due to the slight addition of iron, the surface of the glazed glass appeared to have a faint blue color.

This made the already crystal-clear glass feel slightly different.

Beo and Layla looked at this piece of glass, their faces full of amazement.

They had seen the pieces of glass on the church before.

But those pieces were full of irregular fragments, murky, and even had inconsistent colors.

However, the piece of glazed glass guided by Master Lynn was so clean and transparent, with uniform color!

This is high-quality glazed glass!

Lynn glanced at the approximately ten-square-foot piece of glazed glass from top to bottom.

There were no sand-like granules or bubbles, the light blue surface was relatively uniform, and there were no visible cracks...

Lynn nodded in satisfaction, "Successfully melted!"

Listening to Lynn's words, the apprentices' faces instantly turned to joy.

Although they had never used glazed glass, a luxury only belonging to the noble lords.

But now, under the Lord's guidance, they had produced glazed glass!

How could they not be delighted?

Standing beside Lynn, Beo and Layla's eyes filled with admiration as they looked at Lynn.

In comparison to their Lord Lynn, their abilities were indeed limited!

Lynn looked at Beo and Layla and said, "I have explained the entire production process and its key points thoroughly."

"Have you learned it?"

Beo and Layla exchanged a glance, finally, Beo spoke, "Master, we have remembered most of it, but controlling the temperature during firing might temporarily be tricky."

Beo was confident he could precisely control the temperature when firing the kiln.

But for glassmaking with the molten liquid in the kiln, he needed to slowly become proficient.

Lynn nodded, "With temperature, after a few more tries, you'll be able to master it."

"As for the possibility of failure when firing, potentially wasting some fuel..."

"Don't worry about it, just feel free to try!"

Lynn continued, "This piece of glass is sized for the castle hall, and you will also need to measure for the various other rooms' windows."

Beo and Layla responded, "Yes, Master."

The entire castle had nearly a hundred windows, some big, some small, some high, some low.

But once Beo and Layla learned how to make glazed glass, this was not an issue.

Not only that.

After Beo and Layla became familiar with the production process, they could also produce glazed glass for daily use.

For example, glass lighting fixtures, glass decorations, glass containers, and so on.

Beo and Layla were originally pottery makers, so they would find it easier to handle the designs of different items.

After instructing Beo and Layla a few more things, Lynn allowed the apprentices in the workshop to disperse, go eat, and rest.

After a chorus of grateful voices from the apprentices, they began tidying up the tools in the workshop.

Lynn had already walked out of the workshop, stepping on the red brick ground.

Looking at the gray sky, Lynn's mood was slightly oppressive.

This was all quite normal.

The winter sky was always grey and overcast, especially now, as it was already evening.

Reaching the open square at the front of the town, the townsmen returning from work, in groups of threes and fives, were walking into the cafeteria, waiting for dinner time.

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