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11 hours ago, blue_dolphin said:

I’m confused. I've never heard of anyone using a beaker to measure volume.

Now you have.  The Perfect Breaker takes it shape from labware, and famoulsy from the glass beakers once used for measuring photo development chemicals.

I met the inventor one time, who explained in great detail how he commissioned the markings from a university professor of measures and standards.  It is quite accurate with liquids and solids.  As I've said, my only real issue is why it's plastic, and so will not hold up to hot liquids.

https://www.amazon.com/Emsa-Perfect-Beaker-with-Seal/dp/B001BDLWE8?th=1

11 hours ago, blue_dolphin said:

I’m confused. I've never heard of anyone using a beaker to measure volume.

Now you have.  The Perfect Breaker takes it shape from labware, and famoulsy from the glass beakers once used for measuring photo development chemicals.

I met the inventor one time, who explained in great detail how he commissioned the markings from a university professor of measures and standards.  It is quite accurate with liquids and solids.  As I've said, my only real issue is why it is it's plastic, and so will not hold up to hot liquids.

https://www.amazon.com/Emsa-Perfect-Beaker-with-Seal/dp/B001BDLWE8?th=1

11 hours ago, blue_dolphin said:

I’m confused. I've never heard of anyone using a beaker to measure volume.

Now you have.  The Perfect Breaker takes it shape from labware, and famoulsy from the glass beakers once used for measuring photo development chemicals.

I met the inventor one time, who explained in great detail how he commissioned the markings from a university professor of measures and standards.  It is quite accurate with liquids and solids.  As I've said, my only real issue why it is it's plastic, and so will not hold up to hot liquids.

https://www.amazon.com/Emsa-Perfect-Beaker-with-Seal/dp/B001BDLWE8?th=1