Measuring instruments

All equipment registered in the instrument archive has a unique lab. no.
A lab. no. first consists of a letter that describes the type of equipment, e.g. the letter A indicates that this is an electrical machine.
After the letter comes a two-digit number, which indicates which electrical machine it is, e.g. A01 which is a Shunt machine,
A02 is a Synchronous machine. etc. After the hyphen comes a four-digit number, which is the number of the machine.

Searches are made in the fields lab no., borrower, make, model and type.