CİLTLER LİSTELER GÜNLÜK AKTİVİTE İNCELEMELER İSTATİSTİK ÜYELER

Yükleniyor

Kitaplarını kaydet, raflarını kur, inceleme yaz, herkese açık listeler yap ve zevkine güvendiğin okurları takip et.

Keşfet

Ciltleri gez
Listeler
Günlük
İstatistik

Topluluk

Okur aktivitesi
Herkese açık listeler
İncelemeler
Üyeler

Bülten

Haftalık kitap önerileri al.

© 2026 Cilt. Tüm hakları saklıdır.

Gizlilik Şartlar

Yükleniyor

Yazar

Harold Putnam Greenwald

5 cilt bulundu.

Cilt sonuçları

Coal MiningCoal-mine ventilation factorsHarold Putnam Greenwald

Coal-mine ventilation factors

Harold Putnam Greenwald · U.S. G.P.O.

106 sayfa · 1929

Coal mines and mining / Mine ventilation / Coal Mining

Safety measuresLaboratory testing of the inflammability of coal and other dusts conducted by the Bureau of MinesHarold Putnam Greenwald

Laboratory testing of the inflammability of coal and other dusts conducted by the Bureau of Mines

Harold Putnam Greenwald · U.S. G.P.O.

45 sayfa · 1932

Coal mines and mining / Mine explosions / Safety measures

ExplosivesTests on the ignition of natural gas-air mixtures by permissible explosives in the experimental coal mineHarold Putnam Greenwald

Tests on the ignition of natural gas-air mixtures by permissible explosives in the experimental coal mine

Harold Putnam Greenwald · U.S. Govt. Print. Off.

38 sayfa · 1949

Coal mines and mining / Explosives

Mine explosionsExplosibility of coal dust from four mines in UtahHarold Putnam Greenwald

Explosibility of coal dust from four mines in Utah

Harold Putnam Greenwald · Govt. print. off.

20 sayfa · 1927

Coal mines and mining / Mine explosions

Safety measuresTests of a barrier using rock dust in paper bagsHarold Putnam Greenwald, H. C. Howarth, United States. Bureau of Mines

Tests of a barrier using rock dust in paper bags

Harold Putnam Greenwald, H. C. Howarth, United States. Bureau of Mines · The Bureau.

16 sayfa · 1938

Mine explosions / Coal mines and mining / Safety measures