TY  - BOOK
AU  - Griffiths, Roosevelt.
TI  - Thermostats and temperature-regulating instruments
AV  - QD54.T4 G7 1951
U1  - 536.8 
PY  - 1951///
CY  - London
PB  - C. Griffin
KW  - Thermostat
N1  - Includes index
ER  -