Perhaps you should try some spelling variations:
gelb compared » gel compared (Expand Search), gels compared (Expand Search), enb compared (Expand Search)
compared tran » compared can (Expand Search), compared boron (Expand Search), compared great (Expand Search)
coil clamp » cell clamp (Expand Search), tail clamp (Expand Search)
nancy comp » nancy campi (Expand Search), nancy cp (Expand Search), nancy cook (Expand Search)
comp can » camp can (Expand Search), chimp can (Expand Search), clamp can (Expand Search)
clamp a » clamp _ (Expand Search), clamp j (Expand Search)
can non » dan non (Expand Search), than non (Expand Search)
j gelb » h gelb (Expand Search), d gelb (Expand Search), w gelb (Expand Search)
j coil » j coal (Expand Search), j cogill (Expand Search), j conill (Expand Search)
ngoc » ngo (Expand Search)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( j gelb compared tran ngoc ) or ((( j coil clamp a new ) or ( j nancy comp can non ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j gelb compared tran ngoc ) OR ((( j coil clamp a new ) OR ( j nancy comp can non )))).
• Adding a wildcard symbol may retrieve word variants: (( j gelb compared tran ngoc ) or ((( j coil clamp a new ) or ( j nancy comp can non ))))*.