Image
|
Source
|
Observations
from the source
|

|
Gallenkamp
(1930s)
|
Hoffmann’s apparattus
|

|
Gallenkamp
(1930s)
|
Lecture table eudiometer
|

|
Gallenkamp
(1930s)
|
Apparatus to illustrate decomposition
and reformation of water
|

|
Gallenkamp
(1930s)
|
Hoffman’s apparatus
|

|
Gallenkamp
(1930s)
|
Hoffman’s apparatus
|

|
Gallenkamp
(1930s)
|
Hoffman’s apparatus
|

|
Gallenkamp
(1930s)
|
Hoffman’s apparatus
|

|
Gallenkamp
(1930s)
|
Hoffman’s apparatus
|

|
Gallenkamp (c.
1939)
|
APPARATUS, to show the volume
composition of Ammonia
|

|
Gallenkamp (c.
1939)
|
HOFFMANN’S APPARATUS
|

|
Gallenkamp (c.
1939)
|
HOFFMANN’S APPARATUS, for the
electrolysis of Hydrochloric Acid and Ammonia
|

|
Gallenkamp (c.
1939)
|
APPARATUS to illustrate the manufacture
of Sulphuric Acid
|