Patenter

Fig. 6. Patenttegning af en Gaspoose.

Moderne Motorbrændselsstoffer - 1918

Fig. 7. Et Personautomobil med Gaspose.

Moderne Motorbrændselsstoffer - 1918

Fig. 8. En Motorcykle med Gaspose.

Moderne Motorbrændselsstoffer - 1918

Fig. 70. Flodqvist’s »hygienfönster«. (Patent).

Sund Skoleungdom - 1917

Fig. 90. Trækruder ved dobbelte vinduer. (A/S. Phønix patent).

Sund Skoleungdom - 1917

Photo No. 34; Photo No. 35

Submarine Appliances And Their Uses - 1911

Photo No. 36. Copyright. Photo No. 36. MAN, EQUIPPED WITH THE APPARATUS, FLOATING. It will be noticed that the window of the helmet is wide open

Submarine Appliances And Their Uses - 1911

MURPHY PATENT GRAPNELS (Photo H); RENNIE'S PATENT GRAPNEL (Photo I)

Submarine Appliances And Their Uses - 1911

OXYGEN BREATHING APPARATUS. (Fleuss, Davis and Hill's Patents.)

Submarine Appliances And Their Uses - 1911

Illustrationer