Title:
Tracing table
United States Patent 2701838
Inventors:
Loesch, William S.
Publication Date:
02/08/1955
Export Citation:
Click for automatic bibliography generation
Assignee:
Loesch, William S.
Primary Class:
362/97.4
Other Classes:
315/317, 315/320, 362/218, 362/222
International Classes:
B43L5/00; B43L5/00
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US Patent References:
2606998Luminaire for elongated tubular lamps
2567561Uniform intensity illumination for viewing boxes
2478662Portable vision testing kit having an eye testing target chart and illuminating means therefor
2436162Chi-ray film viewer
1929846Tracing apparatus
1587870Hose-display device
1348957Illumination of pictures
Foreign References:
DE327899C
AT97540B
GB348061A