Brooker, William Charles, c. 1900, 1923, 1929, Realia, PRG 1316/21/1
Safe light for darkroom use with kerosine as lighting medium ca. 1900
Brooker, William Charles, c. 1900, 1923, 1929, Realia, PRG 1316/21/2
Brooker, William Charles, c. 1900, 1923, 1929, Realia, PRG 1316/21/3
Resistor and carbon arc lamps ca. 1900
Brooker, William Charles, c. 1900, 1923, 1929, Realia, PRG 1316/21/4
Pathe film notcher, portrait attachments, light filters, globes and film titles 1929
Brooker, William Charles, c. 1900, 1923, 1929, Realia, PRG 1316/21/5
Orthochrome plate box, developer boxes with formulas for solutions, and lantern plate boxes ca. 1900