RESOLUTION of racemic mixtures

measuring electric RESONANCE frequency

nuclear magnetic RESONANCE

obtaining RESONANCE in stringed musical instruments

resonant circuits

tuning resonant circuits

cavity, coaxial dielectric or Lecher RESONATORS

electro-mechanical RESONATORS

optical RESONATORS used in lasers

RESONATORS for non-electric sound

RESONATORS for non-electric sound in particular musical instruments

RESONATORS operating as aerials

RESONATORS used in discharge tubes

RESONATORS used in transit-time tubes

artificial RESPIRATION

RESPIRATION appliances for medical use

RESPIRATION or breathing apparatus

testing RESPIRATION

radar RESPONDERS

building aspects of RESTAURANTS

cooling-vessels for use in RESTAURANTS

table equipment for RESTAURANTS

RESTORING of D.C. level of pulses

RESTORING of shape of metal articles see also REPAIRING

RESTORING old paper as in books

RESTRAINING animals

head, foot or like RESTS for beds or sofas

book RESTS, e.g. for bed tables

head, foot or like RESTS for chairs

head RESTS for use in baths

RESTS for supporting rotating work in machine tools

RESTS for tobacco pipes

measuring RETARDATION

RETICULES [= handbags]

RETICULES for optical instruments

laboratory RETORT(S)

RETORT(S) for coke ovens

RETORT(S) furnaces

RETORT(S) stands

RETOUCHING of photographic images

surgical RETRACTORS

storage devices for RETRIEVAL of information see STORAGE

measuring REVERBERATION time

REVERBERATORY furnaces

REVERSING -gear for steam and similar engines

REVERSING gearing

REVERSING of electric motors

REVERSING of photographic images

REVETMENTS in hydraulic engineering

REVETMENTS of slopes

measuring number of REVOLUTIONS per unit time

REVOLVING cabinets

REVOLVING doors

REVOLVING tables

inorganic compounds of RHENIUM

inorganic compounds of RHODIUM

obtaining RHODIUM

manufacture of artificial RIBBONS

ink RIBBONS

RIBONUCLEINIC acid

treating tobacco RIBS

cultivation of RICE

RICKS for storing agricultural produce

RIDER weights for weighing

RIDGE tiles for roofs

RIDGING in agriculture

cycle RIDING tracks for stage use

exercising apparatus imitating RIDING

RIDING -breeches

RIDING -sports

automatic RIFLES

RIFLES for underwater use

RIFLES not using explosive charges

RIFLES using explosive charges

semi-automatic RIFLES

RIFLING machines

RIGGING for waterborne vessels

vehicle wheel RIMS

boxing RING(S)

curtain RING(S)

ear RING(S)

finger RING(S)

finger RING(S) for cutting string

hand-tools for mounting or demounting piston RING(S)

making RING(S) from wire

making metal RING(S) see also catchwords for the metal-working operations involved

napkin or serviette RING(S)

piston RING(S)

presses, in general, using RING(S) as pressing members

pressing RING(S) or sockets on handles, poles or like articles

RING(S) bolts

RING(S) for attaching sheets together

RING(S) for locking or supporting bolts or nuts

RING(S) for holding the hair

RING(S) sealings

RING(S) sealings for containers

RING(S) sealings for pipe joints

RING(S) sealings for valves

RING(S) spinning or twisting

RING(S) -type furnaces

RINGING bells

carillons

buildings for skating RINKS

production of ice for ice RINKS

RINKS for skating, skiing or tobogganing

RINSING apparatus for laundering purposes

RINSING bottles

RINSING -machines for crockery or table-ware

seam RIPPING devices

reducing RIPPLES in electric power supply systems

RIPPLING of vegetable fibres

measuring RISE time of pulses

RITUAL equipment

dredging RIVERS

engineering work for RIVERS

removing or cutting RIVET(S)

RIVET(S) hearths

RIVET(S) sets or snaps

making tubes with riveted seams

RIVETING chains or chain links

RIVETING in box or bag making

RIVETING of electric connections

cleaning, clearing or watering of ROAD(S)

construction or repair of ROAD(S)

designs or layout of ROAD(S)

measuring-apparatus for ROAD(S) building

ROAD(S) barricades

ROAD(S) beds or foundations

ROAD(S) for toy vehicles

ROAD(S) gullies

ROAD(S) paving structures

ROAD(S) sign arrangement; supports for ROAD(S) signs

ROAD(S) sign construction

ROAD(S) structures

rollers for constructing or repairing ROAD(S)

ROASTING of coffee

ROASTING of iron ores

ROASTING of non-ferrous ores

ROASTING of fruit or vegetables, e.g. nuts

ROASTING of tobacco

ROBOT(S) in general