1893 - RAF equipment. RAF portable oxygen cylinder. Metal cylinder. 70% of the black paint remains. Remnants of stenciled markings, partially illegible. Upper section marked “MK V B 6D/432 6615/41 AM” beneath a crown. Dated August 1941. Valve incomplete. All moving parts are functional. Pressure gauge broken; the upper part is heavily damaged. An empty cardboard box marked “Pratt & Whitney Aircraft.” Two replacement lenses, tinted, for RAF flight goggles. An aircraft instrument in its original cardboard packaging, with no visible markings. A liferaft knife, complete blade, foam handle (ensuring buoyancy), complete cord. Markings on the blade: 27c/2023. A gyroscopic instrument with no markings. A wooden and brass slide rule, with a beautiful “AM” marking beneath a crown, manufactured by Aston & Mander, London, 1944. An AN58351 dead reckoning computer in its brown leather case. A life jacket survival light. Complete. Label marked “Easco Life Jacket Light.” An RAF bronze bell; the hammer is missing. A small glass vial in its original box. A spool of suture thread, marked “Gudebrod’s Nylon Suture Size 4.” A silver-plated metal knife from the Royal Navy. An RAF metal cap badge, with complete clasp. A RASC cap badge. A replica metal cartridge, gray in color. A plate marked “Tractor 4-Wheeled Medium Artillery WMB 1943 Contract N294/23/S2201.” A Bakelite plaque marked “Air Raid Warden,” with two mounting points. An aluminum box, with no visible markings. A metal sight, marked “Sight M4 No. 21609DA,” dated 1942; all moving parts are functional. A metal sight, marked “Sight M4 No. 61806 ACR,” dated 1943; all moving parts are functional; complete metal mount. A mortar mount, marked “Sgt 2 In MR N3 MKII.” A brass mount, marked “Clino Mortar MK IV,” Reg. No. 12917, BICo Ltd., 1944. An M15 Grenade Launcher Sight. A metal scope marked “Telescope M47A,” dated 1943. Clear optics. British case. Metal. 70% of the black paint remains. The key is missing. Carrying handle is intact. The internal rack is present. Markings: G R VI 1943. This type of case resembles a paymaster’s case. A flight calculator made of metal and black Bakelite. Thigh-mounted model. The mounting straps are missing. Markings: I CAN Calibration Navigational Computer MK III REF 6B/180. All moving parts are functional. A metal altimeter with a broken glass window. Markings: “Altitude In Meters,” manufactured by The Ashcroft, New York. Note some wear and patina on the parts. Condition II+. RAF equipment. Consisting of a portable RAF oxygen cylinder. Metal cylinder retaining approximately 70% of its black paint. Remnants of partially illegible stenciled markings. Upper section marked “MK V B 6D/432 6615/41 AM” beneath the crown. Dated August 1941. Valve incomplete. All moving parts are functional. Pressure gauge broken, with the upper section heavily damaged. An empty cardboard box marked “Pratt & Whitney Aircraft.” Two spare tinted lenses for RAF flying goggles. An aircraft instrument in its original cardboard packaging with no visible markings. A life raft knife with a complete blade and a foam handle designed to ensure flotation, complete with cord. Blade marked 27c/2023. An unmarked gyroscopic instrument. A wooden and brass slide rule with fine “AM” marking beneath the crown, manufactured by Aston & Mander, London, 1944. A Dead Reckoning Computer, AN58351, in its brown leather case. A life jacket survival light. Complete. Label marked “Easco Life Jacket Light.” A bronze RAF bell; clapper missing. A small glass bottle in its original box. A roll of suture thread marked “Gudebrod’s Nylon Suture Size 4.” A silver-colored Royal Navy knife. A metal RAF cap badge with complete fastening. An RASC cap badge. A replica metal cartridge with a gray finish. A plate marked “Tractor 4-Wheeled Medium Artillery WMB 1943 Contract N294/23/S2201.” A Bakelite plate marked “Air Raid Warden” with two attachment points. An aluminum box with no visible markings. A metal sight marked “Sight M4 No. 21609DA” dated 1942; all moving parts are functional. A metal sight marked “Sight M4 No. 61806 ACR” dated 1943; all moving parts are functional, with a complete metal mount. A mortar mount marked “Sgt 2 In MR N3 MKII.” A brass mount marked “Clino Mortar MK IV, Reg N 12917 BICo Ltd 1944.” An M15 Sight Grenade Launcher. A metal sight marked “Telescope M47A,” dated 1943. Clear optics. British metal box retaining approximately 70% of its black paint. Key missing. Carrying handle intact. Internal rack present. Marked G R VI 1943. This type of box may have been used as a paymaster officer’s box. A metal and black Bakelite flight computer designed to be attached to the thigh. Attachment straps missing. Marked “I CAN Calibration Navigational Computer MK III REF 6B/180.” All moving parts are functional. A metal a