# Gruner’s Canon prints innate heat and airs as the environmental frame, crowding a fuel-emissions reading

Date: 1930

## The fact

Gruner 1930 prints the Canon’s airs, waters, places, and innate-heat physiology as the way a body meets climate and fuel. A miasma-and-heat frame can delay treating combustion smoke, coal, and later household fuel as a distinct security and health problem.

## Context

Climate-and-place writing is also an environmental-health heading. Split any improving observation of airs. Medium confidence on unique industrial-era coefficients.

[Avicenna](/people/avicenna) is not the sole author of every later object, law, or museum label that uses the name. Shared work with courts, excavators, printers, spouses, officials, and later states does not erase a documented role, and it does not make an ancient person the signer of a twentieth-century statute.

## Evidence and sources

The named official or archival page and the independent publisher independently describe this instrument.

Official or archival record: Gruner, A Treatise on the Canon of Medicine of Avicenna (1930) — scan (https://archive.org/details/AvicennasCanonOfMedicine; Internet Archive).

## Significance

Printed innate-heat airs are an energy-frame cost when smoke is read as a humour, not as a fuel system.

Printed innate-heat airs are an energy-frame cost when smoke is read as a humour, not as a fuel system.

## What is established and what is not

Established as a dated public record of this instrument.

What would change the picture: a contradictory original with a different date or name, or a measured series that can be argued, with lag and alternatives, as a consequence of this instrument rather than of later institutions.

The date is the date of this instrument, not a licence to back-date every later harm or benefit.

## People

- Avicenna: https://factrail.ai/people/avicenna

## Drivers

- Energy Security: https://factrail.ai/drivers/energy-security

## Sources

- https://www.britannica.com/biography/Avicenna
- https://archive.org/details/AvicennasCanonOfMedicine

## Methodology

https://factrail.ai/methodology

Canonical: https://factrail.ai/facts/av-innate-heat-airs-fuel