 |
|
|
1057.
Optical Lever.
As above, both
sides mirrors. |
|
|
|
1058. Pendulum Bobs or spheres of different metals,
Copper, Brass, Aluminiu..m, Iron, Zinc or Lead invariQUs sizes i.e.
12 mm dia, 18 mm dia, or 25 mm dia with or without hooks. |
|
|
|
1059. Pendulum Bobs
or spheres set of 6 comprising Aluminium, Brass, Copper, Iron, lead
and Zinc with or without hook in card board Box. Size:12mm dia, 18
mm dia or 25 mm dia. |
|
|
|
1060. Plumb Bobs (Plumb line) Brass 1/2"
Displacement
Vessels and Special Gravity Apparatus |
|
|
|
1061. Over Flow VesseI, Tin,
hammertone finish.
1062. Over Flow Vessel, Brass polished.
1063. Over Flow Vessel Glass.
1064. OverFlow Vessel Plastic. |
|
|
|
1065. R. D. Bridge (BaIance Bridge)
For specific gravity. |
|
|
|
1066.
Specific Gravity Bottles
(R.D. bottles) 25 ml or 50 ml. |
|
|
1067. Specific, Gravity Bottles
corning glass 25 ml or 50 ml. |
|
|
|
1068. Bucket
& Cylinder
All brass N.P. 11/2" (37.5 mm.) long to demonstrate
principle of archemedes. |
|
|
|
1069. Bucket
& Cylinder
All brass N. P. Large 2" (50 mm) long. to demonstrate principle of
archemedes. |
|
|
1070. Nicholson Hydrometer
Brass N.P. medium. |
|
|
1071. Nicholson's Hydrometer
Brass N.P. large. |
|
|
| |
|
|
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