Κρυφά πεδία
Βιβλία Βιβλία
" VENTILATE IT. Ventilation, by opening a door or raising the windows, is imperfect, and frequently injurious. A more effectual and safer method of ventilation, is to lower the upper sash of the windows, or, in very cold or stormy weather, to open a ventilator... "
School Architecture: Or, Contributions to the Improvement of School-houses ... - Σελίδα 32
των Henry Barnard - 1848 - 383 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

Joint Documents of the Senate and House of Representatives, at the Annual ...

Michigan. Legislature - 1848 - 614 σελίδες
...pass nut of the room, or to cool it when it has become too warm, NOT TO VENTILATE IT. Ventilation, by opening a door or raising the windows, is imperfect,...escape into the attic. In this case, there should be a free communication between the attic and the outer air, by means of a lattice window, or otherwise....

Documents Accompanying the Journal of the House

Michigan. Legislature - 1848 - 550 σελίδες
...out of the room, or to cool it when it has become too 11-11 mi, NOT TO VENTILATE IT. Ventilation, by opening a door or raising the windows, is imperfect,...escape into the attic. In this case, there should be a free communication between the attic and the outer air, by means of a lattice window, or otherwise....

School Architecture; Or, Contributions to the Improvement of School-houses ...

Henry Barnard - 1848 - 414 σελίδες
...pass out of the room. or to cool it when it has become too warm, not TO VENTILATE IT. Ventilation, by opening a door or raising the windows, is imperfect,...escape into the attic. In this case, there should be a free communication between the attic and the outer air, by means of a lattice window, or otherwise....

School Architecture, Or, Contributions to the Improvement of School-houses ...

Henry Barnard - 1848 - 372 σελίδες
...pass out of the room, or to cool it when it has become too warm, not TO VENTILATE IT. Ventilation, by opening a door or raising the windows, is imperfect,...ventilation, is to lower the upper sash of the windows, or, jn very cold or stormy weather, to open a ventilator in the ceiling, and allow the vitiated air to...

Popular Education: For the Use of Parents and Teachers, and for Young ...

Ira Mayhew - 1850 - 476 σελίδες
...pass out of the room, or to cool it when -it has become too warm, not to ventilate it. Ventilation by opening a door or raising the windows is imperfect,...injurious. A more effectual and safer method of ventilation consists in lowering the upper sash of the window. In very cold or stormy weather, a ventilator in...

System of Public Instruction and Primary School Law of Michigan: With ...

Michigan. Department of Public Instruction - 1852 - 666 σελίδες
...pass out of the room, or to cool it when it has become too warm, NOT то VENTILATE IT. Ventilation by opening a door or raising the windows, is imperfect...escape into the attic. In this case, there should be a free communication between the attic and the outer air, by means of a lattice window, or otherwise....

School Architecture: Or, Contributions to the Improvement of School-houses ...

Henry Barnard - 1855 - 476 σελίδες
...pass out of the room, or to cool it when it has become too warm, not TO VENTILATE IT. Ventilation, by opening a door or raising the windows, is imperfect,...escape into the attic. In this case, there should be a free communication between the attic and the outer air, by means of a lattice window, of otherwise....

School Funds and School Laws of Michigan: With Notes and Forms to which are ...

John M. Gregory - 1859 - 438 σελίδες
...pass out of the room, or to cool it when it has become too warm, NOT TO VENTTLATB IT. Ventilation, by opening a door or raising the windows, is imperfect,...A more effectual and safer method of ventilation, where special arrangements have not been provided for the purpose, is to lower the upper sash of the...

The School Laws of Michigan

1859 - 434 σελίδες
...pass out of the room, or to cool it when it has become too warm, NOT TO VENTILATB IT. Ventilation, by opening a door or raising the windows, is imperfect,...A more effectual and safer method of ventilation, where special arrangements have not been provided for the purpose, is to lower the upper sash of the...

American Journal of Education and College Review, Τόμος 9

1860 - 664 σελίδες
...out of the room, or to cool, it when it has become too icarm, not TO VENTILATE IT. Ventilation, by opening a door or raising the windows, is imperfect,...escape into the attic. In this case, there should be a free communication between the attic and the outer air, by means of a lattice window, or otherwise....




  1. Η βιβλιοθήκη μου
  2. Βοήθεια
  3. Σύνθετη Αναζήτηση Βιβλίων
  4. Λήψη ePub
  5. Λήψη PDF