| Technical |
 |
|
1066 - Library Telescope, Cased |
 |
|
1075 - "Shomescope" Optical Toy |
 |
|
1024 - French Beetle Collection |
 |
|
1071 - Nicholson Aerometer |
 |
|
1081 - Watchmaker's Depthing Tool |
|
|
|
938 - Bush Kaleidoscope |
|
|
|
914 -
Parlor Kaleidoscope |
|
|
|
941 - Stereo Slide Viewer with Slides |
 |
|
1037 - Cary-Type Field Microscope |
|
|
|
949 - Folding Naturalist's Microscope with Case |
|
|
|
823 -
Slide Set of Bee Parts |
 |
1034 - Slide of Whole Worker Honey Bee - Watson |
|
|
|
885 -
Double Pillar Microscope |
|
|
|
1004 - Microscope Slide |
|
|
|
698-1
Microscope Slides Algae/Diatom |
|
|
|
698-2
Microscope Slides Beetles |
|
|
|
698-3
Microscope Slides |
|
|
|
698-5
Microscope Slides |
 |
997 - Pocket Hygrometer |
 |
943 - Pocket Barometer/Altimeter |
 |
944 - Pocket Barometer/Altimeter |
|
|
|
1015 - Physics Demonstration Model |
 |
854 - Ruler - US Army Corps of Engineers |
