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The Glass BenchNumbered sheets on glass pipes, from the torch bench to the wholesale crate

ProtocolSheets 8Logged 22/09/2026

Station
BN
Sheets
2
Last logged

The Bench

Borosilicate, the torch, kilns and annealing, wall thickness and joints, the bench where a pipe is made and inspected, sheet by sheet.

§ 1 Station log

Sheets 2

Station log, newest first
Ref.SheetLoggedLength
BN-002Why a Glass Pipe Cracks Hours After Cooling1,337 words
BN-001Borosilicate or Soda-Lime: Bench Tests Before the Torch1,222 words

§ 2 Sheets of this station

A glass shop kiln controller at night, its digital display reading 370 C, a handwritten kiln log open on the bench beside it with a pen resting in the gutter, a single borosilicate spoon pipe cooling on a firebrick in the foreground, warm amber light from the kiln door.
View BN-002
Sheet
BN-002
Station
The Bench
Logged

Why a Glass Pipe Cracks Hours After Cooling

A piece that cracks hours after cooling was not annealed through the strain point. The kiln schedule, the bench log, and how to read a result before changing a

1,337 words · 6 min