Fig. No. 39. LONGITUDINAL SECTION Submarine Appliances And Their Uses : Deep Sea Diving, &c., &c. - 1911
Fig. No. 38. TRANSVERSE SECTION Submarine Appliances And Their Uses : Deep Sea Diving, &c., &c. - 1911
Fig. No. 37. LONGITUDINAL SECTION Submarine Appliances And Their Uses : Deep Sea Diving, &c., &c. - 1911
Photo No. 36. Copyright. Photo No. 36. MAN, EQUIPPED WITH THE APPARATUS, FLOATING. It will be noticed that the window of the helmet is wide open Submarine Appliances And Their Uses : Deep Sea Diving, &c., &c. - 1911
Photo No. 33 BRITISH SUBMARINE "A3." Submarine Appliances And Their Uses : Deep Sea Diving, &c., &c. - 1911
Photo No. 28. The working chamber of the Bell measures 14 ft. by 10 ft. by 7 ft. high, the shaft 37 ft. by 3 ft. dia. ; total weight about 40 tons Submarine Appliances And Their Uses : Deep Sea Diving, &c., &c. - 1911
Photo No. 27. This Photograph shows one of the two Diving Bells just submerged, and the second Bell with its roof above water. Two of the Boats from which the Helmet Divers work are also to be seen. Each Bell measures 12 ft. 9 in. by 10 ft. by 6 ft. 6 in. high and weighs about 26 tons. Submarine Appliances And Their Uses : Deep Sea Diving, &c., &c. - 1911
COMBINED DIVING BELL & DECOMPRESSION CHAMBER Submarine Appliances And Their Uses : Deep Sea Diving, &c., &c. - 1911
Photo No. 26. Another view showing a 45-ton concrete block being lowered into position. After the Sea bed has been levelled and prepared by Diving Bell men, the concrete blocks are set in place by Helmet divers. One of the Helmet divers’ boats can be seen in the foreground. Submarine Appliances And Their Uses : Deep Sea Diving, &c., &c. - 1911
Photo No. 25. Photo No. 25. General View of one Section of the Works, showing two of the Diving Bells. Each Bell measures 17 ft. by 10 ft. by 6 ft. 6 in. high and weighs about 35 tons Submarine Appliances And Their Uses : Deep Sea Diving, &c., &c. - 1911
Photo No. 24. Back view, showing Oxygen Cylinders, Purifying Chamber, etc Submarine Appliances And Their Uses : Deep Sea Diving, &c., &c. - 1911
Photo No. 23. Side view, showing valves Submarine Appliances And Their Uses : Deep Sea Diving, &c., &c. - 1911
Photo No. 22. Photo taken in a Diving Bell when 65 feet below the surface Submarine Appliances And Their Uses : Deep Sea Diving, &c., &c. - 1911