Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1899748A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ALEXANDER EDWIN BARNES
Halden & Co Ltd J
Original Assignee
ALEXANDER EDWIN BARNES
Halden & Co Ltd J
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ALEXANDER EDWIN BARNES, Halden & Co Ltd JfiledCriticalALEXANDER EDWIN BARNES
Priority to GB1899748ApriorityCriticalpatent/GB638818A/en
Publication of GB638818ApublicationCriticalpatent/GB638818A/en
B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
B43L5/00—Drawing boards
B43L5/007—Drawing boards drawing copying devices using a transparency
Landscapes
Non-Portable Lighting Devices Or Systems Thereof
(AREA)
Abstract
638,818. Stands. HALDEN & CO., Ltd., J., and BARNES, A. E. July 15, 1948, No. 18997. [Class 52 (iii)] A tracing or like table comprises a top 4 of transparent or translucent material which is illuminated by a source of light 6 below it a parabolic reflector 5 being provided for evenly reflecting the light. The reflector 5 and lamp 6 are secured to the frame of the top 4 which may be pivotally adjusted as required. A shield 7 may be placed above the light 6, which may be a strip light, to shield direct rays of the light.
GB1899748A1948-07-151948-07-15Improvements in and relating to tracing and like drawing frames or tables
ExpiredGB638818A
(en)