How things work :
Llewellyn, Claire
How things work : things we make, build and use / text by CLaire Llewellyn. - UK : Two-Can Pub., 1995. - 93 p. : ill. ; cm. - Two-Can First Encyclopedia .
1-85434-346-7
Machinery--Design and construction.
Natural history--Encyclopedias.
REF 620 / TW93 1995
How things work : things we make, build and use / text by CLaire Llewellyn. - UK : Two-Can Pub., 1995. - 93 p. : ill. ; cm. - Two-Can First Encyclopedia .
1-85434-346-7
Machinery--Design and construction.
Natural history--Encyclopedias.
REF 620 / TW93 1995