SELECTIONS FROM 



Gassell, Fetter, & Galpm's 

 MATHEMATICAL INSTRUMENTS. 



No. s. d. 



50. Deal Wood Box, varnished, containing Compass, Pen and 



Pencil, Crayon i o 



51. Deal Wood Box, varnished, containing 4^-in. Compass, Pen 



and Pencil, Rule, and Crayon Holder i 6 



52. Deal Wood Box, with addition of Ruling Pen and Horn Pro- 



tractor 2 o 



53. Same, ditto, painted, Compass, Pen and Pencil, Ruling Pen, 



Lengthening Bar, Horn Protractor. Rule, and Crayon 

 Holder .: 2 6 



54. Same, ditto, with two Compasses 3 o 



55. Same, ditto (sa-in. Instruments) ... ... ... ... ... 3 6 



56. Rosewood Case, with two Compasses, Pen and Pencil, Length- 



ening Bar, Ivory Ruling Pen, Horn Protractor, Rule, 



and Crayon Holder 6 o 



57. Rosewood Case, with lock and key, two Compasses, Bow Pen 



and Pencil, Bar, Ivory Ruling Pen, Protractor, Parallel, 

 Scale 7 6 



58. Rosewood Case, with lock and key (superior instruments), 



three Compasses, Bow Pen and Pencil, Bar, Ivory Ruling 

 Pen, two Protractors, Parallel, .Scale 10 o 



59. Handsome Rosewood Case, inlaid with brass, lock and key, 



Proportional Compass, three Compasses, Bow Compasses, 

 two Ivory Ruling Pens, Bar, two Protractors, Parallel, 

 Scale, Curve, Set Squares 25 o 



60. Rosewood Case, inlaid, lock and key, Proportional Compass, 



three Compasses, Bow Pen and Pencil, two Ruling Pens 

 (Ivory handles), Bar, two Protractors, Parallel, Scale, 

 Curve, Set Squares ... ... ... ... ... ... 23 o 



61. Richly Inlaid Rosewood Case, with lock and key, highly- 



finished Instruments, Proportional Compass, three Com- 

 passes, three Bow ditto, two Ruling Pens (Ivory handk-s\ 

 Bar, two Protractors, Parallel, Scale, Curve, and Set 

 Squares 35 o 



63. Rosewood Case, richly inlaid, containing three Compasses, 

 Bow Compass, Pen and Pencil, Ivory Ruling Pen, liar, 

 Protractor, Parallel, Scale 15 



68. Rosewood Case, lock and key, containing highly-finished 

 Instruments in German Silver, three Compasses, i;,>\\- 

 ditto, with Pen and Pencil, Ivory Ruling Pen, Bar, 

 Protractor, Parallel, Scale 2t 



N.B. Any of the above Mathematical Instruments may be had by order through 

 any Agent, care being taken to secure those supplied by Messrs. C.v 

 PETTKK, & GAUMN. Should any difficulty arise as to the supply of any 

 article ordered, the Publishers will be happy to send it direct, on receipt of the 

 amount in stamps, or per Post-Office Order. 



CASSELL, FETTER, & GALPIN, LONDON, PARIS, AND NEW YORK. 



