Laboratories, their planning and fittings . author hasto thank the Uni-versity Registrar andMr. Marchant, fromwhose paper on elec-trical testing thesedetails are building com-prises three floors,shown in Figs. 1213. Following thenumbers on theplans, in the base-ment (i) is a room36 ft. square, setapart for delicatetesting work as faras possible fromsources of vibration;(2) and {4) are respectively small battery and switchboard rooms, while (3)is used for testing lamps ; (5) and (6) are research rooms ; (7) is used forphotometry ; (8) is a room for testing iron ; (9) a laboratory for
Laboratories, their planning and fittings . author hasto thank the Uni-versity Registrar andMr. Marchant, fromwhose paper on elec-trical testing thesedetails are building com-prises three floors,shown in Figs. 1213. Following thenumbers on theplans, in the base-ment (i) is a room36 ft. square, setapart for delicatetesting work as faras possible fromsources of vibration;(2) and {4) are respectively small battery and switchboard rooms, while (3)is used for testing lamps ; (5) and (6) are research rooms ; (7) is used forphotometry ; (8) is a room for testing iron ; (9) a laboratory for high-ten-sion work up to 20,000 volts ; (10) is for alternating current work, containsfive stationary transformers and accommodates 25 students; (11) is the•dynamo room illustrated in Fig. 122. This room contains direct andalternating machines and in addition a gas engine charging set. Themachine beds are 3 ft. 9 ins. wide, and 2 ft. high, and this raising is founda great convenience. Small tables are also provided for experimental work. Fig. 122.—Dynamo Room (No. 11 on Plans), Applied ElectricalLaboratory, Liverpool University. i8o LABORATORIES with connections to the distribution board at the end of the room. On theground floor, rooms (15) and (16) are for elementary students, the latterfor the more delicate instruments, chiefly galvanometers ; (17) and (18) arethe professors rooms, while (19) is a small library. On the first floor (24)is a lecture theatre which seats 130 students, the other rooms being speciallaboratories, class and preparation rooms. Botany School, Cambridge University. In connection with buildings described at Cambridge, the authorsspecial thanks are due to his friend, Mr, Arthur Hutchinson, of Pembroke,for his kindness in arranging facilities for inspection of the laboratories andobtaining plans and descriptions which were only in private circulation. Asregards the Botany School, thanks are also due to Prof. A. C. Seward foran opportunity of inspectin
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