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21761
|
|
Planing machinery
|
|
|
21762
|
|
Lathe
|
|
|
21763
|
|
Plate lathe
|
|
|
21764
|
|
3-speed
|
|
|
21765
|
|
Great Southern & Western Railway
|
|
|
21766
|
|
Webb's passenger engine
|
|
|
21767
|
|
Steam locomotive 4986
|
|
|
21768
|
|
Steam locomotive 5971 "Croxteth"
|
|
|
21769
|
|
Steam locomotive 6251 "City of Nottingham"
|
|
|
21770
|
|
Steam locomotive 6200 "The Princess Royal"
|
|
|
21771
|
|
Illustrations related to relativity (Figures, 1, 2a and 2b from publication on Relativity)
|
Lantern slide showing three illustrations related to relativ …
|
|
21772
|
|
Illustration related to relativity (Figure 18 from publication on Relativity)
|
Lantern slide showing an illustration related to relativity …
|
|
21773
|
|
Diagram showing a vertical number line
|
Lantern slide showing a diagram of a vertical number line li …
|
|
21774
|
|
Diagram and formulae on relativity
|
Lantern slide showing pencil diagrams and formulae on re …
|
|
21775
|
|
Illustration related to relativity (Figure 11 from publication on Relativity)
|
Lantern slide showing an illustration related to relativity …
|
|
21776
|
|
Illustrations related to relativity (Figures 4 and 5 from publication of Relativity)
|
Lantern slide showing two illustrations related to relativit …
|
|
21777
|
|
Formulae related to the addition of velocities.
|
Lantern slide likely used to accompany a lecture on relativi …
|
|
21778
|
|
Illustration related to relativity (Figure 21 from publication on Relativity)
|
Lantern slide showing an illustration related to relativity …
|
|
21779
|
|
Graph showing velocity calculations (Figure 20 from publication on Relativity)
|
Lantern slide showing graph related to relativity likely use …
|
|
21780
|
|
Formula for calculating cosmic velocity
|
Lantern slide showing worked example of cosmic velocity form …
|
