21.11.19

Yhtä toista kemiallisesta teollisuudesta.

Turun Sanomat 6454, 10.5.1925 Mitenkä kemiallinen teollisuus on kehittynyt kotoisesta tarwetyöstä suurteollisuudeksi ja sen mahdollisuuksi...

20.11.19

The adulteration of tea.

The Living age 915, 14.12.1861 The London Lancet gives the result of the microscopical and chemical analysis of forty-eight samples of te...

19.11.19

The British Cyclopaedia: Bignonoaceæ (the trumpet-flower family).

The British Cyclopaedia of the arts, sciences, history, geography, literature, natural history and biography; copiously illustrated by engr...

18.11.19

The British Cyclopaedia: Betulineæ. The Birch and Alder Tribe.

The British Cyclopaedia of the arts, sciences, history, geography, literature, natural history and biography; copiously illustrated by engr...

17.11.19

The British Cyclopaedia: Berberideæ. The Barberry Family.

The British Cyclopaedia of the arts, sciences, history, geography, literature, natural history and biography; copiously illustrated by engr...

16.11.19

The British Cyclopaedia: America (osa).

The British Cyclopaedia of the arts, sciences, history, geography, literature, natural history and biography; copiously illustrated by engr...

15.11.19

The British Cyclopaedia: Alder-tree.

The British Cyclopaedia of the arts, sciences, history, geography, literature, natural history and biography; copiously illustrated by engr...

14.11.19

The British Cyclopaedia: Agrimony (Linnaeus).

The British Cyclopaedia of the arts, sciences, history, geography, literature, natural history and biography; copiously illustrated by engr...

13.11.19

The British Cyclopaedia: Acacia.

The British Cyclopaedia of the arts, sciences, history, geography, literature, natural history and biography; copiously illustrated by engr...

12.11.19

(Mainos) Ottos äkta anilinfärger

Västra Nyland 141, 11.12.1926

11.11.19

Suomalaisen käsityön ystäwät... (apuraha-anomus)

Wiipurin Sanomat 27, 2.4.1902 Suomalaisen käsityön ystäwät owat anoneet 1,200 mkn määrärahaa kerta kaikkiaan sekä 3 w. aikana 2,400 mkn wu...

10.11.19

The Uses of Mica in the Arts

Manufacturer and builder 7, 1869 Under the term mica is comprised a whole group of minerals, either occurring massive or disseminated in r...

9.11.19

Lantdagsbrev.

Wasa-Posten 44, 1.6.1918 Vasa den 1 juni 1918. Helsingfors den 26 maj. Under senaste vecka blevo flera särskilda lagförslag av lantdag...

8.11.19

Tulenkestävillä väreillä tehtyjä kokeiluja.

Vakuutussanomia 10, 1915 N. s. tulenkestäviä värejä esiintyy kaupassa erilaisia, ja viivyttävät ja vaikeuttavat ne puuaineen syttymistä ja...

7.11.19

The Manufacture and Uses of Nitric Acid.

The Manufacturer and Builder 2, 1881 Next to sulphuric acid in the extent and importance of its applications in the arts and manufacturea,...

6.11.19

Aarne Koponen: Jalokivien ja helmien kalleudet.

Uusi Suomi 54, 6.3.1927 Kirjoittanut Aarne Koponen. Niinkuin tiedämme, ovat jalokivistä timantti, rubiini, safiiri ja smaragdi arvokkaim...

5.11.19

(Lyhyet jutut) The blue color... The manzanita tree...

The Galaxy 7, 1876 The blue color sometimes produced in burning bread to ashes is attributed to the formation of ultramarine. -- The m...

4.11.19

Metachromism.

The Galaxy 7, 1876 An English chemist has been investigating the interesting subject of the changes of color which bodies undergo when hea...

3.11.19

Preparation of aniline black.

The Galaxy 7, 1876 The salts of vanadium have been found to play a very important part in the preparation of aniline black, and consequent...

2.11.19

Cause of the aurora.

The Galaxy 7, 1876 Professor Lemström of Helsingfors, Sweden, conceives that the phenomena of the aurora borealis may be explained by simi...

1.11.19

Kysymys Suomen lipusta.

Uusi Suometar 290, 12.12.1917 Kansallismielisten pääkaupunkilaisten keskusteltavana. Helsingin Suomalaisella Seuralla oli eilen illalla ...

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