Glass positive:- Halley's Comet
1910
Glass positive:- Comet 1911 IV (Brooks)
1911
Glass positive:- Halley's Comet
1910
Glass Positive:- Halley's Comet
1910
Halley's Comet
1910
Glass positive:- Comet 1911 IV (Brooks) H. Knox-Shaw
1911
Glass positive:- Halley's Comet
1910
Glass positive:- Comet 1911 IV (Brooks)
1911
Glass positive:- Halley's comet
1910
Glass positive:- Halley's Comet
1910
Halley's Comet; H Knox-Shaw
1910