24.5.20

T. P. Hakola: Kalanpyydysten värittäminen ja hoito.

Aamulehti 236, 11.10.1924 Jo ammoisista ajoista on havaspyydysten mätänemistä koetettu estää erilaisilla menettelytavoilla, toisin sanoen ...

19.5.20

On the colors of spring flowers

The Living age 1952, 19.11.1881 From The Popular Science Review. By Alfred W. Bennett, M.A., B. Sc., F.L. S. Lectures on Botany, St. T...

Om färger och kläder

Arbetarbladet 75, 3.7.1929 ..skriver Mary Siljander i sin bok "Modern skönhetsvård": Äldre damer böra ej kläda sig i svart sås...

Astronomical and Meteorological Phenomena. Magnificent Aurora in February.

The Year-Book of Facts in Science and Art Exhibiting the Most Important discoveries and Improvements of the past year, in mechanics and th...

Astronomical and Meteorological Phenomena. Lunar Rainbow.

The Year-Book of Facts in Science and Art Exhibiting the Most Important discoveries and Improvements of the past year, in mechanics and th...

Geology. Artificial Colours in Agate.

The Year-Book of Facts in Science and Art Exhibiting the Most Important discoveries and Improvements of the past year, in mechanics and th...

Geology. Lapis-Lazuli.

The Year-Book of Facts in Science and Art Exhibiting the Most Important discoveries and Improvements of the past year, in mechanics and th...

Natural history. Zoology. Luminous Spectra on the Retina.

The Year-Book of Facts in Science and Art Exhibiting the Most Important discoveries and Improvements of the past year, in mechanics and th...

Chemical science. On the Coloured Photographic Image of the Solar Spectrum.

The Year-Book of Facts in Science and Art Exhibiting the Most Important discoveries and Improvements of the past year, in mechanics and th...

Chemical science. Whitening Lace.

The Year-Book of Facts in Science and Art Exhibiting the Most Important discoveries and Improvements of the past year, in mechanics and th...

Chemical science. Colouring Matters of Madder.

The Year-Book of Facts in Science and Art Exhibiting the Most Important discoveries and Improvements of the past year, in mechanics and th...

17.5.20

Natural philosophy. On the Existence of the Colour Brown.

The Year-Book of Facts in Science and Art Exhibiting the Most Important discoveries and Improvements of the past year, in mechanics and th...

Natural philosophy. Ideal Colours.

The Year-Book of Facts in Science and Art Exhibiting the Most Important discoveries and Improvements of the past year, in mechanics and th...

Natural philosophy. New System of Oil-Painting.

The Year-Book of Facts in Science and Art Exhibiting the Most Important discoveries and Improvements of the past year, in mechanics and th...

Mechanical an Useful arts. Merble Veneering, or Slaty Paint.

The Year-Book of Facts in Science and Art Exhibiting the Most Important discoveries and Improvements of the past year, in mechanics and th...

13.5.20

Mechanical an Useful arts. Anastatic Printing.

The Year-Book of Facts in Science and Art Exhibiting the Most Important discoveries and Improvements of the past year, in mechanics and the ...

12.5.20

Mechanical an Useful arts. Lithography.

The Year-Book of Facts in Science and Art Exhibiting the Most Important discoveries and Improvements of the past year, in mechanics and the ...

1.5.20

Tapettien valinnasta.

Aamulehti 282, 6.12.1923 Värityksen kannalta katsoen on seinäverho tärkein tekijä huoneessa, sillä seinien suuret pinta-alat ovat ikäänkui...