An airflow meter by Casella London in fitted case; a prismatic compass by Stanley Gt.Turnstile London W.C., with sight and two shades in case; a Jacot in case; and a rolling rule in case (4)

細節
An airflow meter by Casella London in fitted case; a prismatic compass by Stanley Gt.Turnstile London W.C., with sight and two shades in case; a Jacot in case; and a rolling rule in case (4)